Crypteronia

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Crypteronia

Description

Leaves elliptic or ovate to (ovate-)lanceolate, glabrous or slightly pubescent; Flowers bisexual or by reduction unisexual and then trees dioecious, 4-5(-6)-isomerous, pedicelled. Sepals deltoid to triangular, persistent. Petals absent. Stamens persistent, in ♀ flowers staminodial and mostly permanently inflexed; Panicles terminal or axillary, sometimes on leafless older nodes or ramiflorous, erect to usually pendulous, poorly to rather copiously branched; Ovary superior or almost so, the lower part adhering to the receptacle, (sub)globose to pyramidal, 2-4-carpellate, 2-4-celled, with free or only basally connate septs, badly developed in ♂ flowers; Capsule superior or almost so, (sub)globose or more or less (ob)ovoid, puberulous, upper part dehiscent with 2-4 valves, inside split as far as the basal connation of the septs; Ovules many, either in horizontal position on the septs or in ± vertical position basally between the septs. Seeds many, very small, in horizontal or vertical position;

Distribution

Asia-Tropical:, Assam (Assam present); Thailand (Thailand present) Bengal: present Lower Burma: present Tropical SE. Asia: present
4 spp., of which one ranges through tropical SE. Asia (Assam, Bengal, Lower Burma, Thailand, and Indo-China) to Malesia, the other three endemic in Malesia. .

Uses

C. paniculata seems to yield a fairly good timber, but is never found in quantity.

Citation

DC. - in Prod. 1868: 677
KOEHNE - in Verh. Bot. Ver. Brandenburg. 1881: 69
NIEDENZU - in Bot. Jahrb. 1892: 161
Bl. - in Med. Rijksherb. 1911: 31
Bl. - in Mus. Bot. Lugd. Bat. 1856: t. 42
HALL.F. - in Abh. Naturw. Ver. Hamb. 1903: 90
BLANCO - in Fl.Filip., ed. 3. 1877: 245
Bl. - in E. & P., Nat. Pfl. Fam., ed. 3, 7. 1892: t. 8
HUTCH. - in Gen. Fl. Pl. 1967: 33
HASSK., Cat. Hort. Bog. 1844: 232
BEUS.-OSINGA & BEUS. - in Blumea. 1975: 258
CLARKE - in Hook.f., Fl. Br. Ind. 2. 1879: 573
O.K. - in Rev. Gen. Pl. 1890: 250
B. & H. - in Gen. Pl. 1867: 782
BLANCO - in Fl.Filip., ed. 2. 1845: 136
cf. MERR., Sp. Blanc. 1918: 282
Bl. - in Med. Rijksherb. 1918: 17