Heywoodia T. R. Sim
  • Forest Fl. Cape 326. 1907.


Cite taxon page as 'WFO (2021): Heywoodia T. R. Sim. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000017867. Accessed on: 17 Oct 2021'

Morphology

Seeds solitary per locule by abortion, ecarunculate, obliquely ovoid, rounded-triangular in section, ± smooth; endosperm papery; embryo minute, cotyledons broad, flat.

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    Fruit slightly depressed-subglobose, shallowly 8–10-lobed and 4–5-ridged, tardily dehiscent, leaving a columella; pericarp thinly fleshy, smooth, becoming rugulose when dried; endocarp bony

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    Flowers fasciculate, the males densely so, and sessile, the females in 1–3-flowered cymes and shortly pedicellate, axillary

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    Leaves alternate, petiolate, peltate in the seedling stage and on sucker-shoots, otherwise basally attached, stipulate, simple, entire, symmetrical at the base, coriaceous, penninerved

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    Female flowers: bracts, sepals and petals ± as in the ♂; 1–2 bracteoles also present; disc ± annular, slightly lobulate, shallowly cupular; staminodes 6–8, filiform; ovary 4–5-locular, with 2 ovules per locule; stigmas 4–5, sessile, bilobed

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    Male flowers: bracts 4, free, imbricate, broad, concave, unequal; sepals 3, free, imbricate, broad, concave, unequal, in size and texture intermediate between the bracts and the petals; petals 5, free, imbricate, concave, subequal; disc peripheral, crisped-lobulate, invaginated amongst the filaments of the outer whorl of stamens, fleshy; stamens (8–)10–11(–12), in 2 whorls, filaments free, anthers erect, slightly recurved, dorsifixed, introrse, thecae parallel, longitudinally dehiscent; pistillode minute, trifid

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    Dioecious evergreen tree lacking indumentum

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    Seeds solitary per loculus by abortion, ecarunculate; endosperm papery; embryo minute; cotyledons broad, flat.

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    Fruit depressed-subglobose, shallowly 8–10-lobed, tardily septicidally dehiscent, leaving a columella; pericarp thinly fleshy, smooth, becoming rugulose on drying; endocarp bony.

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    Dioecious, completely glabrous evergreen tree.

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    Male flowers: sepals 3, free, imbricate, concave, unequal; petals 5, free, imbricate, concave, subequal; disk extrastraminal, lobulate, invaginated amongst the outer stamens, fleshy; stamens (8)10–11(12), in 2 whorls, filaments free, anthers dorsifixed, introrse, thecae parallel, longitudinally dehiscent; pistillode (non-functional ovary) minute, trifid.

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    Female flowers: bracteoles 1–2, sepals and petals similar to those of the male; disk annular, slightly lobulate, shallowly cupular; staminodes 6–8, filiform; ovary 4–5-locular, with 2 ovules per loculus; stigmas 4–5, sessile, 2-lobed.

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    Leaves alternate, petiolate, sometimes peltate in juvenile foliage, stipulate; blades simple, entire, basally symmetrical, coriaceous, penninerved.

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    Flowers axillary, fasciculate, the males densely so, sessile, bracteate, the females in 1–3-flowered cymes, shortly pedicellate; bracts 4, free, imbricate, concave, unequal.

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    Included Species

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