Flora of North America species comparison

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Horsfordia

velvetmallow
Stems

erect, stellate-tomentose or stellate-scabrous.
Leaves

petiolate to sessile distally;

stipules deciduous, linear to subulate;

blade ovate to triangular or lanceolate to included, anthers at apex;

ovules 1 per cell, 1–3 per carpel;

styles 6–11-branched;

stigmas capitate.
Fruits

schizocarps, sometimes on reflexed, jointed pedicel, spheric to subspheric, indurate;

mericarps [6–]9 or 10[or 11], ± 2-celled, winged, flared at papery apex, lower cell rugose, stellate-hairy, sparsely hirsute, indehiscent, endoglossum absent, upper cell smooth, dehiscent apically.
Seeds

1 in rugose portion, 1 or 2 apically, sometimes abortive, glabrous or minutely hairy.
x

= 15.

Horsfordia
Distribution
from USDA
sw United States; nw Mexico
[BONAP county map]
Discussion

Species 4 (2 in flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Petals rose, pink, or lavender, 12–21 mm; mericarp wings lanceolate; seeds minutely scabridulous.
H. alata
1. Petals yellow or sometimes pale orange, 6–9 mm; mericarp wings ovate; seeds densely short-pubescent.
H. newberryi
Source FNA vol. 6, p. 267. Author: John La Duke.
Parent taxa Malvaceae > subfam. Malvoideae
Subordinate taxa
H. alata, H. newberryi
Name authority A. Gray: Proc. Amer. Acad. Arts 22: 296. (1887)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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