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FOC | Family List | FOC Vol. 7 | Myristicaceae

3. Horsfieldia Willdenow, Sp. Pl. 4: 872. 1806.

风吹楠属 feng chui nan shu

Endocomia W. J. de Wilde.

Evergreen trees. Leaves dispersed or distichous, papery or thinly leathery, often glabrous, abaxially not glaucous; tertiary veins reticulate, often obscure. Plants monoecious or dioecious. Male inflorescence often compound paniculate; flowers often aggregated into clusters; bracts caducous; bracteole absent. Flowers pedicellate, sometimes shortly so, small. Perianth lobes (2 or)3-5; anthers 4-30, connate abaxially into globose or clavate sessile or stipitate synandrium sometimes concave at apex. Ovary ovoid, glabrous or hairy; style absent. Pericarp often rather thick, glabrous or glabrescent. Aril entire, rarely lacerate at apex; testa thinly woody; cotyledons connate at base.

About 100 species: S Asia, from India to the Philippines, Papua New Guinea; three species in China.

1 Monoecious; twigs (when dry) pale, usually paler than petioles; perianth lobes 3-5, inside papillose hairy; synandrium stipitate, anthers 4-6 (thecae 8); aril laciniate 1/5-1/3 deep, seed variegated.   3 H. prainii
+ Dioecious; twigs brown, as petioles; perianth lobes 2 or 3(or 4), inside glabrous; synandrium sessile, anthers 10-20 (thecae 20-40); aril (almost) closed, seed not variegated   (2)
2 (1) Ovary pubescent; male perianth 2.5-3.5 mm in diam., pubescent, anthers 12-20.   2 H. kingii
+ Ovary glabrous; male perianth 1.5-2.3 mm in diam., soon glabrescent, anthers 8-15.   1 H. amygdalina

Lower Taxa


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