Lasianthus submembranifolius Elmer

120. Lasianthus submembranifolius Elmer View in CoL

Lasianthus submembranifolius Elmer (1913) View in CoL 1871;Merr.(1923) 567. — Type: Elmer 14261 (iso A, CAS, K, L, MO, NY), Philippines, Mindanao, Mt Urdaneta, 3250 ft.

Shrubs; branchlets terete, c. 2 mm diam, compressed in the youngest part, glabrous. Leaves: blades ovate-oblong, 10–15 by 3 – 5 cm, more or less unequal-lateral, thinly membranaceous, glabrous above, minutely puberulous hairs on midrib and nerves beneath, apex cuspidate-acute, base cuneate, asymmetric, midrib and nerves almost flat above, prominent beneath, nerves 4–5 pairs, ascending at an angle of 40–50°, curved toward the margin and joining the nerves above very near the margin, forming an obscure intramarginal vein, nervules distinct beneath, loosely anastomosing, reticulate; petioles less than 1 cm long, glabrous. Stipules broadly ovate, c. 2 by 3 mm, glabrous. Cymes tuberculate; bracts minute, numerous, subulate, 0.5 –1 mm long, glabrous. Flowers shortly pediceled; pedicels 1–2 mm long, glabrous; calyx shallow-cupular, 1– 2 mm long, glabrous, with 5 oblong-triangular lobes; corolla c. 1.5 – 3 mm long, glabrous outside, with 5 bluntly oblong lobes; stamens 5; filament short. Drupes subglobose, up to 7.5 mm long; pyrenes 5, coarsely rugose on the abaxial face.

Distribution — Endemic to the Philippines.

Note — According to Elmer’s description, this species has rugose drupes with 5 pyrenes.