Monographs Details:
Authority:
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Family:
Cyperaceae
Cyperaceae
Description:
Genus Description - Fls unisexual, the plant monoecious; spikelets small, the staminate few-fld, the pistillate with the lower scales empty and only the uppermost one fertile; perianth none; stamens 1–3; style trifid; achene bony or crustaceous, usually white or whitish, globose to ovoid or obscurely trigonous, obtuse or apiculate, in our spp. subtended by a simple or variously ornamented disk (hypogynium); sedges with trigonous culms and solitary or few, small, compact cymes. 200, warm reg.
Genus Description - Fls unisexual, the plant monoecious; spikelets small, the staminate few-fld, the pistillate with the lower scales empty and only the uppermost one fertile; perianth none; stamens 1–3; style trifid; achene bony or crustaceous, usually white or whitish, globose to ovoid or obscurely trigonous, obtuse or apiculate, in our spp. subtended by a simple or variously ornamented disk (hypogynium); sedges with trigonous culms and solitary or few, small, compact cymes. 200, warm reg.
Common Names:
stone-rush
stone-rush