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Damasonium
Family:
Alismataceae
Images
not available
FNA
Resources
Robert R. Haynes ;C. Barre Hellquist in Flora of North America (vol. 22)
Plants perennial, floating-leaved or emersed, glabrous; rhizomes usually absent; stolons absent; corms present; tubers absent. Roots not septate. Leaves: petiole triangular; blade with translucent markings absent, narrow-lanceolate to ovate, base rounded to attenuate, basal lobes absent, margins entire, apex acute. Inflorescences racemes [panicles], of 1--9 whorls, erect, emersed; bracts coarse, apex acute, surfaces smooth. Flowers bisexual, pedicellate; bracts subtending pedicels, lanceolate to ovate-lanceolate, much shorter than pedicels, apex acuminate; pedicels ascending to spreading; receptacle flat; sepals erect, without sculpturing, herbaceous; petals white or pink, erose; stamens 6; filaments dilated, glabrous; pistils 6--15, in single ring, radiating in starlike pattern, weakly coherent proximally; ovules 1--2; styles terminal. Fruits longitudinally ribbed, laterally compressed, not abaxially keeled, abaxial wings absent, lateral wings absent, glands absent. x = 7.
Damasonium californicum
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not available
Map not
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