Oxystylis lutea

Torrey & Frémont in J. C. Frémont

in J. C. Frémont, Rep. Exped. Rocky Mts., 313. 1845.

IllustratedEndemic
Treatment appears in FNA Volume 7. Treatment on page 215.

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. 2n = 20, 40.


Phenology: Flowering spring–summer.
Habitat: Dry, sandy, gravelly desert flats, scrub
Elevation: 1200-1600 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Oxystylis lutea"
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Staria S. Vanderpool +
Torrey & Frémont in J. C. Frémont +
serrulate +, serrate +  and entire +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Calif. +  and Nev. +
1200-1600 m +
adnate +  and free +
actinomorphic +
rotate;crateriform campanulate or urceolate +
dehiscent +  and indehiscent +
elongate +
spheroidal +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Dry, sandy, gravelly desert flats, scrub +
sessile +  and stalked +
arranged +  and alternate +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1-carpellate +
0.3 cm3 mm <br />0.003 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
distinct +
oblong +  and ovate +
unequal +
0.1 cm1 mm <br />0.001 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
1.4 cm14 mm <br />0.014 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering spring–summer. +
tricolporate +  and binucleate +
in J. C. Frémont, Rep. Exped. Rocky Mts., +
1 cm10 mm <br />0.01 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
not arillate +
gray +  and black +
0.5 cm5 mm <br />0.005 m <br /> (?) +
reniform +
0.3 cm3 mm <br />0.003 m <br /> (?) +
persistent +
distinct +
lanceolate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
Illustrated +  and Endemic +
glandular-pubescent +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
branched +  and unbranched +
spreading +  and erect +
glabrate +  and glabrous +
deciduous +  and caducous +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Oxystylis lutea +
Oxystylis +
species +
60 cm600 mm <br />0.6 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +