Lasianthus politus 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 : 75

98. Lasianthus politus Ridl.

Lasianthus politus Ridl.(1918) 85; (1923a) 158; K.M. Wong (1989) 372; H. Zhu (2001b) 139. —

Type: Ridley 15690 ( holo K),Peninsular Malaysia, Selangor .

Shrubs, c. 2 m high; branchlets terete, c. 2 mm diam, densely tomentose. Leaves: blades lanceolate, 6–12 by 2 – 3 cm, coriaceous, shining green and glabrous above, tomentose beneath, apex acuminate, margin reflexed, base shortly cuneate or acute, midrib depressed above, strongly prominent beneath, nerves flat or slightly depressed above, strongly prominent beneath, 6–8 pairs, ascending at an angle of 50–60°, curved to the margin, nervules slightly prominent above, prominent beneath, reticulate; petioles 2 – 3 mm long, densely tomentose. Stipules narrowly lanceolate, c. 2 mm long, densely tomentose. Cymes sessile; bracts linear, numerous, long-hairy. Flowers sessile; calyx very densely hairy, 3–4 mm long, tube short, lobes 5, lanceolate to linear, acuminate, 2 –2.5 mm long, densely long hairy. Drupes globose, hairy, crowned by 5 hairy calyx lobes; pyrenes 5.

Distribution — Thailand, Peninsular Malaysia.

Note — This species has leaves coriaceous, glabrous above, densely tomentose beneath, lanceolate, cuneate at base, midrib depressed above and elevated beneath, nervules reticulate; bracts small, linear, hirsute, less than 5 mm long; drupes densely hirsute.