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Aristolochiaceae
fffresh2heck
FNA
Resources
Kerry Barringer
Alan T. Whittemore in Flora of North America (vol. 3)
Herbs or lianas [shrubs, rarely trees], deciduous or evergreen, often aromatic. Wood with broad medullary rays. Leaves alternate, simple, petiolate. Leaf blade unlobed, margins entire. Inflorescences terminal or axillary, racemes or solitary flowers, rarely fan-shaped cymes. Flowers bisexual; calyx enlarged, petaloid, usually tubular, [1-,] 3-, [6-, rarely 5-]merous, lobes valvate; corolla usually reduced to scales or absent; stamens 5, 6, or 12 [multiples of 3 or 5], free or adnate to styles and stigmas, forming gynostemium; anthers extrorse; pistil 1, 4-6-carpellate; ovary inferior, partly inferior, or superior; placentation axile (and ovaries 4-6-locular) or parietal; ovules many per locule, anatropous. Fruits capsules [follicles], regularly to irregularly loculicidal, rarely indehiscent [septicidal]. Seeds often flattened; endosperm copious.
Species within checklist:
Plants of Alachua County, Florida
Aristolochia gigantea
Endodeca serpentaria
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