Azadirachta A.Juss.

Azadirachta (en), Margousier (fr)

Genus

Angiosperms > Sapindales > Meliaceae

Characteristics

Trees. Indumentum of simple hairs. Buds thinly encrusted with resin. Leaves pinnate with 2 pairs of glands at base of petiole. Flowers bisexual and male on same individual (polygamous). Calyx 5-lobed to proximal half, the lobes imbricate. Petals 5, free, im-bricate. Staminal tube cylindrical, slightly expanded at mouth, margin (8–)10-lobed, the lobes rounded, truncate, emarginate or bifid; anthers (8–) 10, glabrous, inserted at base of arid opposite lobes. Disk annular, united with base of ovary. Ovary 3-locular, each locule with 2 collateral ovules; stylehead with apical swollen torus with 3 acute, partially united papillose stigmatic lobes. Fruit a 1-(or 2-)seeded drupe; endocarp thin, cartilagi-nous. Seed ovoid, distally pointed; testa thin, membraneous with small adaxial sarcotesta; cotyledons plano-convex, collateral; radicle superior, short projecting from cotyledons. Germination phanerocotylar; eophylls opposite, trifoliolate, leaflets deeply incised or pinnatifid. 2n = 28, 30.
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Trees. Indumentum of simple hairs. Leaves pinnate; leaflets coarsely serrate. Flowers hermaphrodite and ♂ on the same individual (plant andromonoecious). Calyx 5-lobed to the lower half; lobes imbricate. Petals 5, free, imbricate. Staminal tube cylindrical, slightly expanded at the mouth, terminated by 10, rounded, truncate, emarginate or bilobed appendages, which are sometimes partly united to form a frill. Disk annular, fused to the base of the ovary. Ovary 3-locular; locules with 2 collateral ovules; style-head scarcely expanded, ending in 3 acute, partly fused stigmatic lobes. Fruit a 1(–2)-seeded drupe with a thin cartilaginous endocarp.
Trees with simple hairs; buds resinous. Leaves pinnate. Thyrses axillary; flowers hermaphrodite and male on same tree. Calyx 5-lobed to lower half. Petals 5, free, imbricate. Staminal tube cylindrical, ribbed, with (8–) 10 rounded to bifid lobes; anthers (8–) 10, inserted at base of lobes. Disc annular. Ovary 3-locular, each locule with 2 collateral ovules; stylehead a swollen torus with 3 acute stigmatic lobes. Drupe with thin cartilaginous endocarp. Seed 1 (or 2), ovoid, with membranous seed coat.
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Sexuality hermaphrodite
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Hardiness (USDA) 9-12

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Cultivation

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Images

Azadirachta unspecified picture

Distribution

Azadirachta world distribution map, present in Australia and Indonesia

Identifiers

LSID urn:lsid:ipni.org:names:924837-1
WFO ID wfo-4000003809
COL ID 36VX
BDTFX ID 125540
INPN ID 628061
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Azadirachta

Lower taxons

Azadirachta excelsa Azadirachta indica