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Oxystylis lutea
Oxystylis lutea
Torr. & Frém.
Family:
Cleomaceae
Flora of North America
Resources
Staria S. Vanderpool in Flora of North America (vol. 7)
Plants
10-60(-150) cm.
Leaves:
stipules crinkled; petiole 1.4-7 cm; petiolules 2-4 mm; leaflet blade elliptic to elliptic-obovate, 1.5-5 × 0.5-2.5 cm, margins entire, apex obtuse.
Racemes
dense, ca. 1 cm (2-3 cm in fruit); bracts unifoliate, 2-4 mm.
Pedicels
sparsely glandular, 1-2 mm.
Flowers:
sepals green, lanceolate, 1.4-1.7 × 0.2-0.3 mm, margins entire, glabrous; petals yellow, oblong to ovate, 2-4 × 1-1.6 mm; stamens yellow, 4-4.5 mm; anthers 1-1.2 mm; gynophore 0.1-0.2 mm in fruit; ovary 0.3 mm; style 0.8-1 mm.
Schizocarps
1 × 0.6 mm, smooth.
Seeds
0.5 × 0.3 mm.
2
n
= 20, 40. Flowering spring-summer. Dry, sandy, gravelly desert flats, scrub; 1200-1600 m; Calif., Nev.
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