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Aizoaceae

  • H. E. K. Hartmann
Chapter
Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA, volume 2)

Abstract

Predominantly succulent, annual to perennial herbs, subshrubs or shrubs. Leaves mostly opposite, simple and entire, epidermis with bladder idioblasts, or uniform and xeromorphic, often pubescent; base of petioles rarely with stipuliform appendages or leaves sessile with a connate leaf sheath. Cymose inflorescences of principally dichasial pattern complete or in various derived forms, mostly terminal, often seemingly axillary, flowers often solitary; flowers actinomorphic, bisexual, hypogynous to perigynous or epigynous; perianth elements (3−)5(−8), free portions often unequal and with dorsal subapical appendages, basally connate and adnate to the filaments, thus forming a perianth-stamen tube, inner surface of upper portion petaloid or green; androecial elements 4 to many; if many, the outer primordia developing often into petaloid organs (= petals), filaments rarely connate at base, anthers dehiscing by longitudinal slits; ovary syncarpous, (1−)5(−∞)-carpellate, placentation axile, basal or parietal, ovules one to many per carpel, anacampylotropous or campylotropous, bitegmic, crassinucellate, sometimes pendulous. Fruits mostly hygrochastic loculicidal, rarely septicidal or circumscissile capsules, sometimes hard and indehiscent, rarely drupaceous, occasionally in aggregates. Seeds mostly ± ovoid, rarely arillate, with a curved peripheral embryo, and voluminous starchy perisperm, endosperm reduced to a layer enveloping the radicle.

Keywords

Crystal Layer Subsidiary Cell Suitable Climate Calyx Lobe Bladder Cell 
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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© Springer-Verlag Berlin Heidelberg 1993

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