Xylotheca Hochst.

Genus

Angiosperms > Malpighiales > Achariaceae

Characteristics

Shrubs or small trees, unarmed. Leaves deciduous, alternate, thin to leathery at full maturity, entire or undulate, petiolate, penninerved; stipules small, caducous. Flowers usually large and showy, white, sweet-scented, bisexual or andromonoecious, cymose or umbellate in the upper leaf-axils, or terminal on short branchlets. Sepals 3 (or 4), concave, free or almost so, imbricate, rather early caducous, glabrous or pubescent, often with sessile resinous glands. Petals 7–14, free, narrowed to the base, imbricate, spreading at anthesis. Stamens 20–30; filaments free, filiform; anthers linear, basifixed, dehiscing longitudinally from above. Ovary (rudimentary or absent in the ♂ flowers) sessile, 1-locular, the 6 or 7 placentas multi-ovulate; style terminal, columnar; stigmas as many as placentas, rather short and spreading. Fruit a woody capsule splitting into (4–)6–8 longitudinal rather thick valves; style persistent as a hard apical point. Seeds numerous, ellipsoid, arillate or embedded in a thin pulp.
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Ovary sessile (rudimentary in male flowers), 1-locular, multiovulate; ovules pendulous from c. 7 parietal placentas; style terminal; stigmas as many as the placentas, short, spreading.
Flowers solitary, male or bisexual, cymose or subumbellate in the upper leaf-axils or terminal on the branchlets, usually rather large and showy, sweet-scented.
Calyx of 3–4, very concave, free or almost free imbricate sepals, glabrous or variously pubescent, often with sessile resinous glands.
Fruit a tough woody capsule splitting into c. 8 longitudinal rather thick valves; style persistent as a hard, woody apical point.
Stamens numerous; filaments free; anthers linear, dehiscing longitudinally from above.
Leaves petiolate, entire or undulate; stipules small, very caducous.
Petals white, 7–14, free, narrowed to the base, imbricate.
Seeds numerous, ellipsoid, sometimes with a resinous aril.
Small or moderately large shrubs; branches unarmed.
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Growth form shrub
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Foliage retention deciduous
Sexuality hermaphrodite
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Cultivation

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Images

Xylotheca unspecified picture

Identifiers

LSID urn:lsid:ipni.org:names:4409-1
WFO ID wfo-4000041049
COL ID 89LH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Xylotheca

Lower taxons

Xylotheca longipes Xylotheca tettensis Xylotheca capreifolia Xylotheca kraussiana