Joannesia Vell.

Genus

Angiosperms > Malpighiales > Euphorbiaceae

Characteristics

Monoecious trees with a simple indumentum. Leaves alternate, long-petiolate, stipulate, digitate, with a pair of stipitate glands at the apex of the petiole; leaflets petiolulate, entire, penninerved. Inflorescences terminal, pleiochasial, bisexual, rarely unisexual, with ♀ flowers terminating the lower axes and ♂ the distal; bracts accrescent, becoming foliaceous, glandular or not at the base. Male flowers shortly pedicellate; calyx globose in bud, later campanulate and shortly 5-toothed, the teeth valvate; petals 5, free, imbricate; disc-glands 5, free, alternate with the petals; stamens (7–)8(–10), in 2 unequal whorls, those of the outer whorl opposite the petals and united in the lower half, those of the inner whorl three-quarters united, anthers dorsifixed, introrse in bud, later apparently extrorse when reflexed, longitudinally dehiscent; pistillode minute and bifid or 0. Female flowers shortly pedicellate; calyx 5-lobed, the lobes valvate, accrescent; petals 5, free, imbricate, soon caducous; disc 5-lobed; ovary 2-locular, with 1 ovule per locule; styles 2, short, stigmas reflexed, 3-or more-lobed. Fruit large, drupaceous, subindehiscent; exocarp fleshy; endocarp woody. Seeds compressed-ovoid, exotesta fleshy, endotesta crustaceous; cotyledons broad, flat.
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Foliage retention deciduous
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Cultivation

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Images

Joannesia unspecified picture

Identifiers

LSID urn:lsid:ipni.org:names:15526-1
WFO ID wfo-4000019574
COL ID 8VYKV
BDTFX ID -
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Joannesia

Lower taxons

Joannesia princeps Joannesia heveoides