Trigoniaceae

Trigoniaceae A. Juss. in Orbigny, Dict. univ. hist. nat. 12: 670 (1849), nom. cons.
Chapter
First Online:
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 11)

Abstract

Trees, shrubs, scandent shrubs or lianas, glabrous or with indumentum of unicellular hairs, sometimes with glands. Leaves opposite or alternate, simple, entire, venation pinnate; stipules simple or bifid, interpetiolar when leaves opposite, often conspicuous, mostly caducous. Inflorescences panicles, racemes, cymes, or thyrses. Flowers hermaphrodite, small, papilionaceous, obliquely zygomorphic, 5-merous; sepals ± unequal, imbricate, connate at base or partly distinct; petals distinct, the posterior forming a saccate or spurred standard; stamens and staminodes connate basally into a tube that is more strongly developed on the anterior part of the flower by the 4–8 fertile stamens, staminodes 0 or up to 6 in the posterior part, anthers opening longitudinally; nectary glands 1–2(–4) opposite to the standard petal or 0; ovary superior or partly inferior, 3(4)-locular, rarely unilocular, pubescent, each locule with 1–numerous ovules; style simple. Fruits septicidal capsules or indehiscent 3(4)-winged, sometimes easily splitting into 1-winged samaras. Seeds hairy or not, embryo straight, endosperm + or 0.

Keywords

Fertile Stamen Mucilage Cell Standard Petal Inflorescence Panicle Nectary Gland 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.CampinasBrazil

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