Peltophorum dasyrhachis

Author: (Miquel) Kurz

Morphological description (dasyrhachis Peltoph compl FT12 )
Tree up to 30 m high, unarmed; young branchlets brownish-red tomentose, glabrescent.

Leaves bipinnate; rachis up to 32 cm and petiole up to 5.5(-7) cm, both tomentose; pinnae 5-9 pairs (dasyrhachis Peltoph lv/po FT12 ). Stipules lobed or branched. Leaflets 6-16 pairs per pinna, sessile, oblong or elliptic-oblong, 10-25 by 4-10 mm, obtuse or slightly emarginate at apex, acute, obtuse or rounded at base; finely pubescent on both surfaces, glabrescent, sometimes almost glabrous above.

Inflorescences lateral, racemose, 15-30 cm long, rachis pubescent; bracts linear 10-12 mm long, more or less persistent; pedicels 20-40 mm.

Flower : (dasyrhachis Peltoph fl FT12 )Calyx lobes 10-15 by 5-6 mm, tomentose outside. Petals yellow, obovate, 15-25 by 10-12 mm, hairy towards the base of the inner side. Stamens with filaments 10-15 mm; anthers 4-5 mm long. Ovary sessile, c. 5 mm long, velutinous, 4-8-ovuled; style c. 12 mm.

Pods indehiscent, reddish-brown, elliptic, 10-15 by 2-4 cm (incl. the wing-like margin), tapering towards both ends, brown-pubescent, glabrescent, not or indistinctly striate, the marginal wing 4-5 mm broad (dasyrhachis Peltoph lv/po FT12 ).

Seeds 4-8, flat, 1-12 by 5 mm, more or less transversely positioned in the pod.

Distribution
Thailand, Cambodia, Laos, Vietnam; Malesia : Sumatra, Malay Peninsula, Borneo (Sabah, Sarawak, Kalimantan).

Habitat & Ecology
In deciduous and evergreen forests at lower altitudes. Fl. February-July, November, December; fr. January, March, May, June, December

Uses
Introduced in many places in the tropics. In Java cultivated in coffee and cacao plantations as shade trees. See Burkill, 1935: 1714; Heyne, 1950: 754.

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