Heynea Roxb.

Genus

Angiosperms > Sapindales > Meliaceae

Characteristics

Trees or shrubs. Branches glabrous or sometimes young branches yellow pubescent or glabrescent. Leaves in spirals, odd-pinnate; leaflets opposite; leaflet blades with margins entire. Thyrses axillary or subterminal, consisting of several cymes; peduncle long. Flowers bisexual, small. Calyx short, 4-or 5-lobed, lobes imbricate. Petals 4 or 5, elongated elliptic, much longer than sepals, distinct, imbricate in bud. Filament tube 8-10-parted; segments linear, tips 2-cleft; anthers 8-10, inserted between 2 lobes of filament tips. Disk annular, fleshy. Ovary glabrous or pubescent, 2-or 3-locular, with 2 collateral ovules per locule; style as long or slightly longer than ovary; stigma disciform or conic, tip 2-or 3-cleft. Fruit a capsule, 1-locular, glabrous or pubescent, dehiscing into 2 valves, with 1 or 2 seeds. Seeds with a white thin aril; endosperm absent; cotyledons thick, hemispheric.
More
Trees. Twig pith vesselless. Indumentum of simple hairs. Leaves imparipinnate; rachis compressed, not swollen at points of attachment of leaflets; abaxial surface of leaflets papillate, glandular. Inflorescences corymbose cymes with long peduncles. Calyx 4-or 5-lobed, the lobes imbricate. Petals 4 or 5, ± imbricate. Androecium with cylindrical staminal tube to 1/3 length with 8 or 10 filaments with bifid apices. Disk annular. Ovary 2-or 3-locular, each locule 2-ovulate; stylehead 2-or 3-lobed. Fruit a capsule; pericarp with sclereids. Seeds 1 or 2, arillate. 2n = 28.
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Cultivation

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Distribution

Heynea world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:26754-1
WFO ID wfo-4000017864
COL ID 4X3X
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INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Picroderma Heynea

Lower taxons

Heynea trijuga Heynea velutina