Lasianthus robinsonii Ridl.

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 : 81

publication ID	https://doi.org/10.3767/000651912X652012
DOI	https://doi.org/10.5281/zenodo.16855266
persistent identifier	https://treatment.plazi.org/id/1664BC60-3C1D-0D57-FFEB-4F35FDA77D91
treatment provided by	Felipe
scientific name	Lasianthus robinsonii Ridl.
status

Treatment

107. Lasianthus robinsonii Ridl. View in CoL

Lasianthus robinsonii Ridl.(1909) 37;(1923a) 169;K. M. Wong (1989) 373. — Type: Ridley 13631 (holo SING; iso K), Peninsular Malaysia, Pahang, 4000–5000 ft.

Shrubs, 1–2 m high; branchlets terete, c. 2 mm diam, densely tomentose. Leaves: blades oblong, 12–16 by 3.5 –5 cm, membranaceous or thinly coriaceous, glabrous above, pubescent hairs on midrib and nerves beneath, apex cuspidate-acute, base subrounded to rounded, midrib and nerves flat to slightly depressed above, prominent beneath, nerves 8 – 9 pairs, ascending at an angle of 60° or more, curved to the margin, nervules distinct above, prominent beneath, subparallel; petioles 2 – 3 mm long, tomentose. Stipules triangular-lanceolate, 4–5 mm long, tomentose. Cymes long-pedunculate; peduncles slender, up to 5–6 cm long, tomentose; bracts 2, filiform, up to 8 mm long, tomentose; bracteoles like bracts but smaller, numerous. Flowers sessile; calyx c. 2.5 mm long, tomentose, lobes 4, linear, longer than tube; corolla c. 6 mm long, hairy both inside and outside, tube short, lobes oblong, longer than the tube. Drupes obovoid, tomentose to subglabrous, crowned by long linear calyx lobes; pyrenes 4.

Distribution — Endemic to Peninsular Malaysia.