Abstract
Large woody lianas; branches sympodial with a series of circinate woody hooks in one plane. Leaves alternate, often crowded in rosettes on lateral flowering shoots, simple, entire; stipules small and caducous; petioles articulated, often leaving a saddle-shaped scar on the twigs. Inflorescences racemes, spikes or dichasially branched panicles. Flowers bisexual; regular, usually less than 2 cm in diameter; calyx tube at first short, at length adnate to the base of the ovary; sepals 5, unequal in size; petals 5, slightly fleshy, distinct or slightly connate at base, contorted or imbricate; stamens 5,10 or 15, erect in bud, perigynous; filaments slightly connate at base; anthers basifixed, tetrasporangiate, introrse, opening by longitudinal slits; carpels 3(4), fused to form a syncarpous, half-inferior, unilocular ovary; stylodia 3(4), articulated at apex of ovary, with capitate, crescent-shaped, or pinnatifid stigmas; ovule solitary, basilateral, hemianatropous, bitegmic. Fruit a nut, surrounded by wing-like, accrescent, unequal calyx lobes; seed subglobose, endosperm ruminate; embryo straight, cotyledons remarkably folded.
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Porembski, S. (2003). Ancistrocladaceae. In: Kubitzki, K., Bayer, C. (eds) Flowering Plants · Dicotyledons. The Families and Genera of Vascular Plants, vol 5. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-07255-4_9
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DOI: https://doi.org/10.1007/978-3-662-07255-4_9
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