49D 
° Low plants without evident stems, the leaves in a tuft; O. heterantha 
a 
oCoarse plants with evident stems 30-120 cm, tall 
/, Unbranched, erect, the stems 1 m. or more tall, 
glandular-villous; leaves denticulate; 
capsules 2.u-3 cm, long; petals 10-12 m, 
long 2 O-» mricata 
Giga iy bradoned at the very base but sometimes 
‘unbranched, the stems ascending, 40-60 cm, 
, long, not glandular; leaves subentire; 
pods 22e5 cm. long; petals 20-25 mm, 
‘long 3. O. strigosa 
1. O. heterantha Nutt. Low perennials without evident stems, the 
leaves in a basal tuft, essentially glabrous, their blades lanceolate 
to ovate-lanceolate, entire or denticulate, pinnatifid below, 3-15 cm, 
ee 
long, 1-5 em, wide, narrow into winged petioles of almost the same 
length; flowers arising in the tuft of leaves, apparently stalked, the 
f if 
stalk however, a slender sessile ovary and calyx tube 3-10 ecm, long; 
calyx lobes lanceolate, 5-8 mm, long; petals yellow, orbicular-obovate, 
8-10 mn, long; stamens of two lengths; style equaling the longer stamens; 
capsules smooth, somewhat 4-angled, 12-15 ma, long. (0. subacaulis sensu 
Garrett based on Jussieua subacaulis Pursh, a nomen dubium,), 
3 
Craig iits.; Santianne Ur.; Ulcarwater R, (all fide viung, Am, Jour. Bot, 
’ 
16:250)6 
Ce Oo muricata Le An erect coarse annual 100-120 em, tall, the stem 
unbranched, glandular-villous, leaves 8-12 cm. long, 1-1.5 cm, wide, 
narrowly elliptical-lanceolate, acute at both cnds, obscurely denticulate, 
