Lasianthus coronatus King & Gamble

Zhu, H., Roos, M. C. & Ridsdale, C. E., 2012, A taxonomic revision of the Malesian species of Lasianthus (Rubiaceae), Blumea 57 (1), pp. 1-102 : 31

publication ID

https://doi.org/10.3767/000651912X652012

persistent identifier

https://treatment.plazi.org/id/1664BC60-3C53-0D19-FCA2-4A18FBD57F3A

treatment provided by

Felipe

scientific name

Lasianthus coronatus King & Gamble
status

 

32. Lasianthus coronatus King & Gamble View in CoL

Lasianthus coronatus King & Gamble (1904) View in CoL 120;Ridl.(1923a) 157. —

Type: Scortechini 329 (iso K), Peninsular Malaysia, Perak .

Lasianthus wallichii Wight View in CoL ? var. penangensis Hook.f. (1880) 181. — Type: Wall. Cat . 8441, p.p (holo K), Peninsular Malaysia.

Lasianthus politus Ridl. var. insularis Craib (1934) View in CoL 216, syn. nov. — Type: Put 1195 (holo K), Thailand, Surat.

Shrubs; branchlets terete, c. 2 mm diam, densely tomentose. Leaves: blades oblong-lanceolate, 5 –10 by 1.5 –3 cm, coriaceous, glabrous above except sometime hairy midrib, tomentose beneath, apex acuminate to caudate-acuminate, base cuneate to subrounded, slightly asymmetric, midrib and nerves flat or slightly depressed above, prominent beneath, nerves 6–9 pairs, ascending at an angle of c. 60°, curved to the margin, nervules obscure above, distinct beneath, subparallel; petioles c. 2 mm long, densely tomentose. Stipules inconspicuous. Cymes sessile; bracts linear, 5– 8 mm long, densely tomentose. Flowers sessile; calyx and corolla not seen. Drupes subglobose, tomentose, crowned by 5 linear calyx lobes; pyrenes 5.

Distribution — Thailand (Peninsular), Peninsular Malaysia.

Note — This species has tomentose hairs on branchlets, leaf nerves beneath, stipules, bracts; leaves oblong-lanceolate with cuneate to subrounded base, bracts linear; drupes with 5 pyrenes. It is quite close to L. attenuatus , but differs from the latter by having leaves with cuneate or subrounded base and slender linear bracts.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Gentianales

Family

Rubiaceae

Genus

Lasianthus

Loc

Lasianthus coronatus King & Gamble

Zhu, H., Roos, M. C. & Ridsdale, C. E. 2012
2012
Loc

Lasianthus politus Ridl. var. insularis

Craib 1934
1934
Loc

Lasianthus coronatus

King & Gamble 1904
1904
Loc

? var. penangensis Hook.f. (1880)

Hook. f. 1880
1880
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