Lepidagathis fasciculata (Retz.) Nees

G., Gnanasekaran, A. F. J., King, M. N., Mitta, Abstract, W. Arisdason & Willd., Lepidagathis, 2023, Two new heterotypic synonyms in Lepidagathis (Acanthaceae: Barlerieae) from India, Rheedea 33 (4), pp. 359-375 : 366-373

publication ID

https://doi.org/10.22244/rheedea.2023.33.04.07

persistent identifier

https://treatment.plazi.org/id/03AFF034-8875-FFFA-053A-FF65FD9CF9A1

treatment provided by

Felipe

scientific name

Lepidagathis fasciculata (Retz.) Nees
status

 

Lepidagathis fasciculata (Retz.) Nees View in CoL in Wall., Pl. Asiat. Rar. 3: 95. 1832. Ruellia fasciculata Retz., Observ. Bot. View in CoL 4: 38. 1786. Lepidagathis fasciculata (Retz.) Nees var. α (alpha) Nees in Wall., Pl. Asiat. Rar. 3: 95. 1832. Lectotype or perhaps holotype (designated by Fischer, 1932): SRI LANKA, Thermas Tranquemallenses (Trincomalee), s.d., König s.n. (LD [LD1801295, digital image!].

Lepidagathis fasciculata ( Retz.) Nees var. β (beta) Nees in Wall. , Pl. Asiat. Rar. 3: 95. 1832. Ruellia viscosula Wall., Numer. List : n. 2394, 1830, nom. nud. Lectotype (designated here) or perhaps holotype: MYANMAR, Ataran (Atran) and Salween (Selum), 1827, s.coll, s.n. (Wall., Numer. List: n. 2394c, K [ K001115849 , digital image!]).

Lepidagathis hirta Nees, Lepidagath. Illustr. Monogr. View in CoL : 53. 1841. Lepidagathis fasciculata View in CoL var. α * ( alpha star) Nees in DC., Prodr. 11: 260. 1847. Lectotype (designated here): SRI LANKA, (Ceylon), Walker s.n. (K [specimen at the bottom of the sheet], digital image!).

Lepidagathis goensis Dalzell, Hookers J. Bot. Kew Gard. Misc. View in CoL 2: 340. 1850. Lectoype (designated by Brahmadande & Nandikar, 2023): INDIA, Goa, Dalzell s.n. (K [K001392436, digital image!]).

Lepidagathis rajasekharae K.Prasad & A.M.Reddy, Phytotaxa View in CoL 470(1): 112. 2020, syn. nov. Type: INDIA, Andhra Pradesh, Kadapa district, Sesachalam hills, way to Mogalipenta from Talakona top, 25.03.2017, K. Prasad 5208 (holo: BSID; iso: CAL [ CAL0000213067 About CAL !], BSID). FiGS. 5–10 View FiG View FiG View FiG View FiG

Decumbent to erect perennial herbs; stems 0.5–1 m long, rooting at lower nodes, greenish, wellbranched, 4-angled, glandular-hairy throughout, internodal distance 2–4 cm. Leaves subsessile, opposite-decussate, lance-ovate to elliptic, (1–)4– 18 × (0.5–) 2–6 cm, base attenuate to decurrent, margins vary from entire, crenate to serrate or dentate and undulate, apex acuminate, sparsely pubescent intermixed with glandular hairs; lateral veins 3–8 pairs. Inflorescence a spike, axillary and terminal, 1–2 cm long; peduncles 1–2 cm long. Bracts: sterile bracts 2, foliaceous, at base of each spike, lance-ovate to elliptic, 10–12 × 3–6 mm, apex acute, tomentose with glandular hairs throughout; fertile bract 1 per flower, oblong-elliptic, 6.3–9.4 × 2.5–4 mm, otherwise as sterile bracts. Bracteoles 2, dimorphic, linear to narrowly oblong and oblong to elliptic, 4.2–7 × 1–2.8 mm, otherwise as bracts. Calyx 5-lobed; lobes heteromorphic, tomentose with glandular hairs throughout; anticous lobes 2, equal, linear-oblong, 5–7.5 × 1–2 mm, connate at base (less than a quarter of their total length, i. e., 1–2 mm); posticous lobe oblong-elliptic, 5.5– 7.5 × 1.3–2.2 mm; lateral lobes 2, linear, 4.2–6 × 0.4–0.8 mm. Corolla 8–9 mm long, white (faintly yellowish at maturity) with pale purplish markings on expanded portion of tube inside throughout and yellow on palate; tube 5–6 mm long, cylindric below for 3–3.8 mm long, abruptly expanded above for 1.7–2.2 mm long, glabrous inside, retrorsely hairy outside; upper lip arcuate, 1.6–2 × 2.4–3 mm, margins entire, minutely 2-lobed ( 0.2–0.5 mm long) at apex, each lobe 3-veined; lower lip 3-lobed, 3–3.4 mm long including lobes, middle lobe broader than the lateral lobes, suborbicular, 2–2.2 × 2–2.7 mm, entire, 3-veined, lateral lobes oblong, 1.7–2 × 1.3– 1.6 mm, 3-veined. Stamens 4, didynamous; filaments white with purple spots, adnate at the base of expanded corolla tube, glabrous, anticous filaments 1.8–2.2 mm long, posticous filaments 0.8–1.3 mm long; anthers bithecous, oblong, divergent, 0.7–1 mm long, white to purple, sparsely hairy at base of suture and at connectives, dehiscing longitudinally. Pollen grains prolate, 28.1–29.7 × 16.3–19.3 µm, tricolporate; tectum reticulate, more open in area adjacent to apertures. Ovary sub-globose, 1.2–1.5 × 1–1.2 mm, minutely hairy at apex, 2-loculed; ovules 2 in each locule; nectary disk cupulate; style 4.5–5.5 mm long, bristled-glandular-hairy; stigma bi-lobed. Capsules lance-ovoid, 5–6.2 × 1.4–2 mm, minutely hairy towards apex, yellowish-brown; seeds 4, lower 2 ovoid, upper 2 sub-globose, 1–2 × 1–1.7 mm, sparsely covered with short hygroscopic hairs throughout.

Flowering & fruiting: Flowering from January to February and fruiting from February to May.

Habitat: In shady areas of dry evergreen forests and on open slopes of the Ghats, at elevations ranging from 100 to 1000 m.

Distribution: Bangladesh, China, India, Myanmar, Pakistan, Sri Lanka and Thailand.

Specimens examined: INDIA, Andhra Pradesh, Godavari district, Sukuwana hill, February 1885, J.S. Gamble 15967 (MH [MH00110399]); Vatangi, 06.02.1916, C.A. Barber 12686 (MH [MH00110370, MH00110371, MH00110372]); Maredumilli, near tiger camp, 600 m, 18.02.1994, M. Mohanan 101277 (BSID [BSID0005360, digital image], MH [MH00110373, MH00110374]); Kadapa district, Sesachalam hills, on the way to Talakona falls, 26.02.2022, G. Gnanasekaran & A.F.J. King 12880, 12881, 12882, 12883 (Madras Christian College Herbarium, Chennai); Karimnagar district, way to Mukunoor, Mahdavpur, 22.02. 1986, 140 m, N. Rama Rao & T. Ravi Shankar 83705 (MH [MH00110377, MH00110378]); Khammam district, Nellippakka forest, 250 m, 22.02.1994, R. Chandrasekaran 99020 (BSID [BSID0005361, digital image], MH [MH00110375, MH00110376]); Mahabubnagar district, Nilagiri view point, 800 m, 10.02.1998, S.R. Srinivasan 109718 (BSID [BSID0005362, digital image]); On the way to Sirivakai, March 1962, D.C.S. Raju 101 (E [E01024235] digital image]); Visakhapatnam district, Mettur (Madgole to Minumuluru), 20.12. 1967,625m, G.V.Subbarao 29563 (MH [MH00110379, MH00110380]); Punniyagiri to S. Kota, 23.12. 1969, 250 m, G.V. Subbarao 32783 (MH [MH00110381, MH00110382]); on the way to Javapuram peak from Madugula, 09.04. 1976, 400 m, G.V. Subbarao 47257 (MH [MH001100384]). Goa, Just before Butpal, 13.03.1964, K.C. Karodia 96231 (BSI [BSI0000068427]); Anmod Ghat, 21.04.2023, N 15°24’50.6628”, E 74°16’40.458”, A.F.J. King 13003 (Madras Christian College Herbarium, Chennai). Karnataka, Bangalore, Nandi hills road, 20.01.1973, B.L. Burtt, C. Townsend, C. Saldanha 18351 (C, digital image); North Canara, s.d., s.coll. 188 (MH [MH00110402]); Chikkaballapur district, Nandi hills, 02.03.1957, E.K. Janaki Ammal 7392 (MH [MH00110287]); Canara & Mysore, s.d., Law s.n. (C, digital image); Malabar Concan, s.d., Stocks Law s.n. (C, L [U1046906], BM [BM013860496], G [G00390455], NYBG [NYBG04204645] digital images); S. Concan, s.d., Ritchie 592 (NYBG [NYBG04204644] digital image); Chikmagalur district, Bababoodan Hills, s.die, Law s.n. (L [L2837927] digital image); South Canara district, 1857, R.H. Beddome s.n. (MH [MH00110401, MH00110407, MH00110408]); Mudabidiri, 15.03.1915, C.A. Barber 11943 (MH [MH00110403, MH00110404, MH00110405, MH00110406]); Someshwar, 14.02.1940, S.R. Raju 85494 (MH [MH00110398, MH00110400]); Shivamoga district, Agumbe, 29.05.1958, S.D. Mahajan 34335 (BSI [BSI0000068431, BSI0000068432, BSI0000068433]); Udupi district, Mookambika WLS, Madur forest, 19.03.2007, P.G. Diwakar & R.K. Singh 184258 (BSI [BSI0000068428, BSI0000068429, BSI0000068430]). Kerala, Kannur district, Kannoth Reserve Forest, 125 m, 19.04.1980, V.S. Ramachandran 66911 (MH [MH00110388, MH00110391]). Madhya Pradesh, Bastar district, way to Thirathgarh falls, 09.02. 1961, 540 m, N.P. Balakrishnan & A.N. Henry 11892 (L [L2837906] digital image); Hoshangabad district, Churna, 413 m, 26.04.1961, J. Joseph 12423 (MH [MH00110394, MH00110395]); Bori Reserve Forest, 550 m, 01.05.1961, J. Joseph 12482 (MH [MH00110383]). Maharashtra, Ratnagiri district, Narur, 25 km from Sawantwadi, 17.04.1971, B.G. Kulkarni 128770 (BSI [BSI0000068422]); Wasul Rai, 40 km from Sawantwadi, 18.04.1971, B.G. Kulkarni 128803 (BSI [BSI0000068423]); Ram Ghat, 24 km from Amboli, 27.04.1971, B.G. Kulkarni 129341 (BSI0000068426); Bhedshi, 02.05.1971, B.G. Kulkarni 129474 (BSI [BSI0000068424]); Hewale, Bhedshi, 28.05.1970, B.G. Kulkarni 120925 (BSI [BSI0000068425]); Sindhudurg district, Amboli, 15.04.2017, J.V. Dalavi & M. Lekhak JVD-505 (SUK); Chorla Ghat, s.d., N.V. Malpure NVM2887 (SUK); Nagergali, 23.02.2008, N.V. Malpure NVM2887 (SUK); Satara district, Khandala, Forbay to Saddle, 15.03.1952, H. Santapau, S.J. 14101, 14102, 14103, 14104, 14105, 14106, 14107, 14108, 14109, 14110, 14111 (BLAT); Koyna, 11.02.1979, R.K. Kochhar 158315 (BSI [BSI0000068451]). Odisha, Niasangiri, Kalahandi, 30.04.1986, S.K. Mukherjee 4138 (BM [BM013860497] digital image); Balasore district, Kuldiha forest, 24.01.1986, 80 ft, Geetha, P. 6732 (CALI [CALI129493]); Ibid., Karthiayani, K.P. 6344 (CALI [CALI139494]); Ibid., Jeeja Majeed 8338 (CALI [CALI129495]); Ibid., A.K. Valsa 7034 (CALI [CALI129496]); Tulka, N 20°36’53.1”, E 84°57’35.0”, 307 m, 04.02.2015, K.C. Mohan 6513 (BSID [BSID0010883] digital image); Ganjam district,Hijilly, Dec. 1883, J.S. Gamble 13618 (MH [MH00110356]); Linepada to Koinjur, 25.01.1900, C.A. Barber 1244 (MH [MH00110385, MH00110386]); Durgaprasad, December 1906, s.coll. s.n. (MH [MH00110387]). Tamil Nadu, Dharmapuri district, Denkanikotta taluk, Thalli, Devarbetta reserve forest, 11.02. 1960, 950 m, T.S. Jayaseelan 26386 (RHT [RHT047306]); Ibid., 14.11. 1979, 900 m, K.M. Matthew 24588 (RHT [RHT047305]); Krishnagiri district, Sembiaru, Singarapettai hills, 05.04.1987, M.B. Viswanathan 1412 (MH [MH00110390]; Tiruchirappalli district, Chengattupatti, 800 m, 20.03.1959, K.M. Sebastine 7916(MH[MH00110392,MH00110393]);Thuraiyur, Pachamalais, Karuppankadu Thittu, 17.03.1978, 1000 m, K.M. Matthew 12357 (L [L3720654] digital image]); Tirupathur district, Yelagiri hills, on the way to Swamimalai, 28.03.1987, M.B. Viswanathan 1376 (MH [MH00110389]); Tiruvannamalai district, Jawadhu hillslopes, N 12°24’15.6”, E 78°40’26.6”, 26.03.2023, A.F.J. King 12994 (Madras Christian College Herbarium, Chennai). Sine data (C [C10005034, C10005035], LINN [LINN-HS 1093- 12], digital images]); Sine data (BM [BM014117825, BM013860495] digital images); S.loc ., s.d., Roxburgh s.n. (BM [BM013860499] digital image); S.loc ., s.d., R.H. Beddome s.n. (BM [BM013860499] digital image). SRI LANKA, Naula to Elahera road, 18.06.1932, s.coll. 9826 (BM [BM013860500] digital image); Without exact locality, July 1981, (BM [BM013860498] digital image); without exact locality, in Herb. Madrasp. (Wall., Numer. List: n. 2394a), sine data K ([K001115846 (specimen on left, annotated as a), CAL [CAL0000020058, digital images!]); in Herb. Roxb. (Wall., Numer. List: n. 2406), Sine data (K [K001115870, digital image!]).

Conservation status: The species is provisionally assessed here as ‘Least Concern’ [LC].

Typification: Nees von Esenbeck (1832) described L. fasciculata variety β ( foliorum dentibus minoribus) with a direct citation of a nomen nudum, Ruellia viscosula Wall. with Wall. Numer. List: n. 2394c that was collected from Ataran (Atran) and Salween (Selum), Myanmar, in 1827. At K, we found two specimens with different barcodes [K001115848, K001115849] and collection localities (a [Trogla?] and b [Atran], respectively), which were mounted on a single sheet with a label, Wall., Numer. List: n. 2394c. Among the two, the specimen with K0011158489 is designated here as the lectotype (perhaps holotype) as it matches the species identity and collection locality given in the protologue.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Lamiales

Family

Acanthaceae

Genus

Lepidagathis

Loc

Lepidagathis fasciculata (Retz.) Nees

G., Gnanasekaran, A. F. J., King, M. N., Mitta, Abstract, W. Arisdason & Willd., Lepidagathis 2023
2023
Loc

Lepidagathis fasciculata (Retz.)

Wall. 1832: 95
Wall. 1832: 95
Retz., Observ. Bot. 1786: 38
1832
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