Dysoxylum papillosum

Primary tabs

Dysoxylum papillosum

Description

Small tree to 6 m, flowering when a metre or so tall. Bark grey-green, inner bark orange. Leaves to 45 cm long, 2- or 3-jugate, with apical spike to 15 mm or its scar; petiole 10–14 cm, ± angled, swollen weakly at base, like the rachis densely pilose, apical leaflets largest, 15–30 by 6–12 cm, elliptic to obovate, coriaceous, minutely rugulose in sicco, opposite to subopposite, bases gradually acute, ± symmetric, apices acuminate, glabrous adaxially, yellow-brown pilose abaxially especially on midrib and nerves, midrib stout, costae c. 10–15 on each side, obtuse arcuate, inarched only near margin and scarcely anastomosing, depressed adaxially and prominent abaxially when dry; petiolules 3-5 mm long, stout, densely tawny tomentose. Flowers (only known in bud, description largely from King) sweetly scented. Petals 4, waxy. Staminal tube glabrous, margin 8-emarginate; anthers 8, oblong, exserted. Capsule at least 3 cm long, 2 cm diam., pear-shaped, apiculate, densely tomentose, orange-red, 3- or 4-valved. Seeds 2–4; testa brown.

Distribution

Asia-Tropical: Borneo (Sarawak present), Pahang present, Peninsular Thailand present, Perak present, Selangor present, Trengganu present
Peninsular Thailandand Malesia: Malay Peninsula (Trengganu, Perak, Pahang, Selangor), Borneo (Sarawak)

Morphology

This is a very poorly known plant having the habit and facies of Dysoxylum rugulosum King and its allies with which it shares a spicate inflorescence and 4-merous flowers but lacks the stiletto-like apical buds typical of that group.

Citation

Ridley 1922 – In: Fl. Malay Penins.: 397
Mabb. 1989 – In: Tree Fl. Malaya: 245.