23. Fryxellia D. M. Bates, Brittonia. 26: 95, fig. 1A. 1974.
[C]
[For Paul Arnold Fryxell, 1927–2011, American student of Malvaceae] [For Paul Arnold Fryxell, 1927–2011, American student of Malvaceae]
David M. Bates
Herbs, perennial, stellate-hairy. Stems cespitose. Leaves: stipules persistent, filiform to subulate; petiole subequal to or somewhat shorter than blade; blade ovate to oblong-lanceolate, unlobed, base subcordate to obtuse, margins toothed, apex acute or obtuse, without foliar nectaries. Inflorescences axillary, solitary flowers, ± equaling leaves; apex; filaments terminal and subterminal; ovary 12-carpellate; ovules 1 in each lower carpel cell, pendulous; styles 12-branched, (branches equal in number to carpels); stigmas capitate. Fruits schizocarps, not inflated, discoid, moderately indurate, stellate-hairy; mericarps 12, 1-celled, divided internally by endoglossum; distal cell reduced, barren, smooth-walled, hairy, each valve armed with suberect dorsal spur; proximal cell enclosing pendulous seed, reticulate-fenestrate, indehiscent, joined to columella by single median basal-dorsal vein. Seeds 1 per mericarp, puberulent about raphe. x = 8.
Species 1: Texas, n Mexico.
SELECTED REFERENCE Fryxell, P. A. and J. Valdés R. 1991. Observations of Fryxellia pygmaea (Malvaceae). Sida 14: 399–404.
