Author
Marjo Alavillamo
Common Name
Dwarf umbrella-sedge
Ecology
Sandy peaty-sandy muck, peat or marly soils, marshy shores, cypress prairies, depressions in pne savannas and flatwoods, borders of swamps, bogs, wet clearings, ditches.
Family
Cyperaceae, sedges
Fruit
Achene: stipe slender; body angles wirelike, faces lustrous, deep brown to red-brown, 1 mm; beak slender, stiff, tip papillate.
Geographic distribution
Eastern and
Threatened and Endangered Information:
Inflorescence
Inflorescences in solitary terminal clusters or several terminal clusters, less often from proximal 1–2 nodes, principal involucral bract mostly exceeding compound or cluster. Spikelets lance-ovoid to cylindric, 5–8(–12) mm, apex of perianth scale thin, incurved-acuminate and narrowed to a bristlelike tip, periant bristles as long or longer than achene, strongly barbed downward. Anthers 1–3, 0.5–0.7 mm.
Leaves
Leaf sheaths hirsute; principal blades linear to lance-linear, 5–12 cm, hirsute-hispid-ciliate, surfaces strigose-hispid or glabrous.
References
Goodfrey and Wooten (1979): Aquatic and Wetland Plants of
Species name
Fuirena pumila (Torr.) Spreng.
Stems
Stem (8–)20–60 cm tall. Culms erect or spreading, slender, stiff.
Synonyms
Fuirena squarrosa Michx. var. pumila Torr.
Fuirena torreyana Beck
Wetland Indicator Status
OBL