Lasianthus angustifolius King & Gamble

3. Lasianthus angustifolius King & Gamble View in CoL

Lasianthusangustifolius King&Gamble(1904) 126;Ridl.(1923a)161;K.M. Wong (1989) 368. — Type: Wray 413 (holo n.v.; iso L), Peninsular Malaysia, Perak, 4500 ft.

Lasianthus salicifolius Ridl. (1909) 35; (1923a) 166; K. M. Wong (1989) 367, syn.nov.— Type: Ridley 14008 (holo SING), Peninsular Malaysia, Pahang, 5000 ft.

Small trees, up to 4.5 m high; branchlets terete, c. 2 mm diam, densely appressed-pubescent. Leaves: blades narrowly oblong-lanceolate or lanceolate, 12–15 by 1.5 –2 cm, chartaceous to subcoriaceous, glabrous above except densely tomentose midrib, glabrous beneath except appressed-pubescent midrib and nerves, apex long-caudate to caudate-acuminate, base cuneate, midrib and nerves flat above, prominent beneath, nerves 12–14 pairs, ascending at an angle of c. 50°, curved to the margin, nervules faint on the upper surface, distinct on the lower surface, reticulate; petioles 4–5 mm long, hirsute. Stipules triangular to triangular-lanceolate, 2–3 mm long, glabrous except ciliate margins. Cymes sessile; bracts absent. Flowers sessile; calyx tubular-campanulate, c. 2 mm long, appressed-pubescent on both sides, with 5 triangular-acuminate teeth, calyx teeth c. 0.5 mm long; corolla tubular, 5 mm long, tube glabrous on both sides; lobes 5, triangular-lanceolate, c. 1.5 mm long, appressed-pubescent on both sides; anthers narrowly oblong. Drupes ovoid-globose, c. 4 mm diam, sparsely pubes- cent, with 4–5 obtuse ridges; pyrenes 4–5, abaxially rugose.

Distribution — Peninsular Malaysia.

Note — Lasianthus angustifolius is close to L. hirtimarginatus , but differs from the latter in having densely appressed-pubescent branchlets, narrowly lanceolate to linear-lanceolate leaves with densely pubescent midrib above and 12–14 pairs of nerves, petioles 4–5 mm long.