Cypselea humifusa

Turpin

Ann. Mus. Natl. Hist. Nat. 7: 219, plate 121. 1806.

IntroducedIllustrated
Treatment appears in FNA Volume 4. Treatment on page 82.

Mats leafy, to 10 cm wide. Stems diffusely branched from base. Leaves: unequal pairs alternating, usually subtending fascicle of leaves; petiole slender, ± equaling blade length; blade apex obtuse; larger blade of pair 0.5(–1.2) cm, smaller blade 0.2(–0.6) mm. Inflorescences: flowers in axils of smaller leaves (bracts) between short lateral stem and main stem; bracteoles 2; pedicel 2 mm. Flowers: calyx lobes erect, ovate, to 1.5 mm, margins scarious, fringed, apex obtuse. Capsules subglobose, membranous. Seeds red-brown, ± round-reniform or subtriangular, asymmetric, 0.3 mm, smooth.


Phenology: Flowering summer–fall.
Habitat: Moist, seasonally flooded, or seasonally dry, open mud or sand flats, banks, shores, and margins of ponds, lakes, canals, and rivers
Elevation: 0-1000 m

Distribution

Introduced; Ariz., Calif., Fla., La., Miss., Nev., West Indies, South America.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cypselea humifusa"
Wayne R. Ferren Jr. +
Turpin +
Ariz. +, Calif. +, Fla. +, La. +, Miss. +, Nev. +, West Indies +  and South America. +
0-1000 m +
Moist, seasonally flooded, or seasonally dry, open mud or sand flats, banks, shores, and margins of ponds, lakes, canals, and rivers +
Flowering summer–fall. +
Ann. Mus. Natl. Hist. Nat. +
Introduced +  and Illustrated +
Cypselea humifusa +
Cypselea +
species +