Thevetia L.

Thevetia (en)

Genus

Angiosperms > Gentianales > Apocynaceae

Characteristics

with intrapetiolar glands. Inflorescences cymose to racemose, axillary or terminal, few-to several-flowered. Flowers medium-sized to large, frequently showy; brac-teoles present; calyx 5-lobed, the lobes ? equal, bearing many squamellae with-in; corolla salverform to infundibuliform, white, cream, orange, or pinkish-yellow, the orifice closed by 5 appendages, the limb 5-lobed, sinistrorsely convolute; sta-mens 5, wholly included, the anthers free and not agglutinated to the stigma, without an enlarged connective; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules 2-4, the nectary annular, the style 1, the stigma umbraculi-form below and bifid above. Fruit syncarpous, drupaceous, or berry-like, the peri-carp coriaceous; seeds 2-4, ovoid, naked.
More
Trees or much-branched shrubs, evergreen, erect, latex white. Leaves alternate, rather densely together on slender branchlets. Cymes terminal and leaf opposed. Calyx deeply divided, with many basal glands inside. Corolla yellow, funnelform, lobes overlapping to left, throat with 5, narrow, long-hairy scales. Stamens inserted in distal narrow part of corolla tube; filaments very short; anthers narrowly oblong, small, free from pistil head, cells not appendaged proximally; disc absent. Ovary 2-loculed, placenta prominent. Style filiform; pistil head disclike, thick, dilated, apex shortly 2-cleft. Drupes depressed globose; endocarp hard, woody or fleshy. Seeds 2 per locule, wingless, not comose, without endosperm; cotyledons suborbicular, fleshy, radicle short.
Trees, shrubs or rarely lianas, lacticiferous. Leaves spiral, non-glandular, pinnately-nerved, frequently coriaceous and lustrous; sessile to petiolate, mostly
Life form perennial
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Foliage retention evergreen
Sexuality hermaphrodite
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Images

Thevetia unspecified picture

Distribution

Thevetia world distribution map, present in China, Panama, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:332011-2
WFO ID wfo-4000038197
COL ID 7VX4
BDTFX ID 125468
INPN ID 445418
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thevetia Ahouai

Lower taxons

Thevetia amazonica Thevetia bicornuta Thevetia ahouai