Lasianthus camlamensis V.S.Dang & Naiki (2021: 24)

Dang, Van-Son & Naiki, Akiyo, 2023, A revision of the genus Lasianthus Jack (Rubiaceae) from Vietnam, Phytotaxa 581 (1), pp. 1921-1935 : 1921-1935

publication ID	https://doi.org/10.11646/phytotaxa.581.1.1
DOI	https://doi.org/10.5281/zenodo.7571594
persistent identifier	https://treatment.plazi.org/id/43284262-FF80-FFC1-5AB6-FAC344B4CB89
treatment provided by	Plazi
scientific name	Lasianthus camlamensis V.S.Dang & Naiki (2021: 24)
status

Treatment

8. Lasianthus camlamensis V.S.Dang & Naiki (2021: 24) — Fig. 23 View FIGURE 23 (plate), Fig. 20 View FIGURE 20 (map)

Type: — VIETNAM. Khanh Hoa Province, Hon Ba Nature Reserve, 25 November 2014, Toyama H., Tagane S., Dang V.S., Nagamasu H., Naiki A., Tran H., Yang C.J. with Cuong N.Q., Hieu H.N.P. V2161 ( holotype VNM! [ VNM00042873 View Materials ]; isotypes FU!, VNM! [ VNM00042874 View Materials , VNM00042875 View Materials ], the herbarium of Iriomote Station (Japan)) .

Specimens examined: — VIETNAM. Central: Khanh Hoa Province, Hon Ba Nature Reserve , 1545 m elev., 12°07’01.82’’N, 108°56’43.63’’E, in evergreen forests, 25 November 2014, Toyama H., Tagane S., Dang V.S., Nagamasu H., Naiki A., Tran H., Yang C.J. with Cuong N.Q., Hieu H.N.P. V2161 ( VNM); in the same location, 1500 m elev., 12°07’01.81’’N, 108°56’43.61’’E, in evergreen forests, 25 July 2018, Dang V.S., Dang 423bis ( VNM) GoogleMaps .

Distribution: —Endemic to Vietnam (known only from the Hon Ba Nature Reserve, Khanh Hoa Province).

Habitat & Ecology: —Primary forest or on the edge of the forest at 1300–1578 m elev.

Phenology: —Flowering and fruiting from April to July.

Vernacular name. Xú hưƠng cam lâm.

Notes: — Lasianthus camlamensis is similar to L. capitatus Blume (1827: 996) based on leaf shape, the number of secondary veins, and petioles size, but differs from the latter in having inflorescences sessile (vs. peduncles up to 2 cm long), bracts inconspicuous (vs. bracts 1 cm long), calyx lobes 5 (vs. 6), calyx size ( 2–2.5 mm long vs. 1–2 mm long for tubes and 3–4 mm long vs. up to 12 mm long for lobes) and fruits with 5 (vs. 6) pyrenes.