Lasianthus chrysophyllus Miq.

24. Lasianthus chrysophyllus Miq. View in CoL

Lasianthus chrysophyllus Miq. (1857) 322; (1869) 248. — Type: Junghuhn s.n. (holo L, barcode L000676 ; iso L, barcode L000677 ), Sumatra .

Shrubs or treelet; branchlets robust, slightly compressed, c. 4–5 mm diam, fistulose, densely brown-appressed-pubes- cent. Leaves: blades oblong-lanceolate or oblong-oblanceolate, 26–34 by 6–8 cm, thinly coriaceous, glabrous above except hirsute midrib, brown-golden-pubescent beneath, apex cuspidate to shortly caudate, base acute to subrounded, asymmetric, the margin reflexed, nerves slightly depressed above, prominent beneath, 13–15 pairs, ascending at an angle of 60–70°, curved to margin, nervules slightly obscure above, distinct and prominent beneath, reticulate; petioles 1–1.5 cm long densely appressed-pubescent. Stipules triangular, 8– 9 mm long, densely appressed-pubescent. Cymes pedunculate; peduncles 2 –5 mm long, robust, densely appressed-pubescent; bracts leaf-like, outer pairs rounded, palmate-nerved, c. 2 by 2 cm, golden-pubescent on both surfaces, ciliate at the margin, with a cuspidate-caudate apex and a rounded to subcordate base, inner ones becoming smaller, from leaf-like to ovate and lanceolate, golden-pubescent on both surfaces. Flowers 4-merous, sessile; calyx obconical, c. 4–5 mm long, tube c. 1.5 mm long, glabrous, limb densely hirsute with 4 lanceolate c. 1.5 mm long lobes; corolla c. 15 mm long, tube glabrous in the lower half, lobes 4, triangular-lanceolate, c. 2.5 mm long, hirsute outside. Drupes subglobose, c. 3–4 mm diam, glabrous except the hirsute persistent calyx limb, slightly verrucose; pyrenes 4.

Distribution — Indonesia (Sumatra).