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.
Revision as of 11:06, 30 July 2020 by imported>Volume Importer
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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 />) +