Lasianthus mollis 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 : 62-64

publication ID

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

DOI

https://doi.org/10.5281/zenodo.16855114

persistent identifier

https://treatment.plazi.org/id/1664BC60-3C70-0D38-FCA2-4DF9FD6A7AEC

treatment provided by

Felipe

scientific name

Lasianthus mollis Ridl.
status

 

80. Lasianthus mollis Ridl. View in CoL

Lasianthus mollis Ridl. (1920) 144; (1923a) 158; K.M. Wong (1989) 373. — Type: Ridley s.n. (holo SING; iso K), Peninsular Malaysia, Tebong .

Shrubs; branchlets terete, 1.5– 2 mm diam, densely pubescent. Leaves: blades elliptic, 8–11 by 3 – 3.5 cm, thinly coriaceous, glabrous above except pubescent hairs on midrib, pubescent hairs on venation beneath, apex acuminate to caudate-acute, base cuneate, midrib and nerves slightly prominent above, prominent beneath, nerves 5 – 8 pairs, ascending at an angle of 45–50°, curved to the margin, nervules distinct on both surfaces, parallel; petioles 0.8 –1 cm long, densely pubescent. Stipules lanceolate, usually up to 5 mm long, densely pubescent. Cymes sessile; bracts small, lanceolate, 2– 3 mm long, densely long-pubescent. Flowers sessile; calyx c. 2 mm long, with an obconical tube and campanulate limb, tube 0.8 –1 mm long, glabrous, limb with 4 lanceolate lobes which are 0.6–8 mm long and hirsute; corolla 8 –10 mm long, tube glabrous outside, villose inside, lobes 4, hairy on both sides. Drupes oblong, 5 mm diam, puberulous; pyrenes 4–5.

Distribution — Peninsular Malaysia, Indonesia (Sumatra).

Note — This species is very close to L. chrysoneurus but differs from the latter by having relatively small leaves, stipules and bracts, and denser but less appressed pubescence.

SING

Singapore Botanic Gardens

K

Royal Botanic Gardens

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