All Floras      Advanced Search
FNA Vol. 4 Page 436, 438 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 4 | Amaranthaceae | Gossypianthus

1. Gossypianthus lanuginosus (Poiret) Moquin-Tandon in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(2): 337. 1849.

Woolly cottonflower

Paronychia lanuginosa Poiret in J. Lamarck et al., Encycl., suppl. 4: 303. 1816; Guilleminea lanuginosa (Poiret) Moquin-Tandon ex Bentham & Hooker f.

Plants 1-7 dm diam. Stems prostrate to decumbent, 0.4-1 mm diam., sparsely pilose to strongly woolly-villous with whitish, straight to wavy-crinkled hairs. Leaves basal and cauline; basal leaves with petiole 0.5-2 cm, blade linear or linear-oblanceolate to spatulate, 1.6 -9.7 × 0.2-1(-1.7) cm; cauline leaves with winged petiole 1-5 mm, blade ovate, elliptic-ovate elliptic, oblong-elliptic, oblong, or oblong-ovate, (0.1-)0.5-1.8(-3.3) × (0.1-)0.2-0.7 (-1.3) cm, glabrous or sparsely to densely pilose to strigose. Glomerules white, globose to cylindric, 1-10 × 5-8 mm. Flowers sessile; tepals green, oblong-lanceolate, outer tepals 2.5-4 mm, inner tepals 2.5-3.6 mm, chartaceous, apex acuminate, woolly-villous on exposed surfaces. Utricles included within tepals, 1.4-2 mm. Seeds 0.8-1.2 × 0.6-0.9 mm.

Varieties 2 (2 in the flora): North America, Mexico, West Indies.

1 Basal leaf blades oblong-oblanceolate, oblanceolate, or spatulate; cauline leaf blades ovate to oblong-ovate or obovate, pilose to sericeous abaxially, pilose to glabrate adaxially   1a var. lanuginos
+ Basal leaf blades linear to linear-oblanceolate; cauline leaf blades oblong-elliptic to oblong, glabrous throughout or with scattered, marginal hairs near base..   1b var. tenuiflor


Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |