Carsonia sparsifolia

(S. Watson) Greene

Pittonia 4: 212. 1900.

Basionym: Cleome sparsifolia S. Watson Botany (Fortieth Parallel), 32, plate 5. 1871
Treatment appears in FNA Volume 7. Treatment on page 209.

Plants 10–60 (–90) cm. Stems glaucous. Leaves: petiole 4–15 (–30) cm; leaflets 3 proximally, 1 distally, blade obovate, 4–15 × 0.1–7 mm, margins serrate, apex acute to obtuse. Racemes 2–8 cm (3–10 cm in fruit); bracts (expanded) unifoliate or trifoliate, 4–15 mm. Pedicels 4–8 mm. Flowers: sepals brownish green, ovate, 1.4–2.5 (–3) × 1–2 mm, base cuneate, margins serrulate, apex acuminate, glabrous; petals recurved, yellow with brown central streak, strap-shaped, 9–13 × 1.5–3 mm; stamens staggered, yellow, 9–15 mm; anthers 3–5 mm; gynophore 2–5 mm in fruit; ovary 4–7 mm; style 0.1–0.4 mm. Capsules 15–45 × 1–3 mm, smooth. Seeds silver-gray, compressed, 2–3 × 1–1.5 mm, smooth. 2n = 32.


Phenology: Flowering spring–summer.
Habitat: Sand dunes, beaches, desert valleys, typically with Larrea divaricata and Artemisia species
Elevation: 900-2000 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carsonia sparsifolia"
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
acuminate +, acute +  and obtuse +
Gordon C. Tucker +
(S. Watson) Greene +
cuneate +
Cleome sparsifolia +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
serrulate +, serrate +  and entire +
obovate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Calif. +  and Nev. +
900-2000 m +
adnate +  and free +
rotate;crateriform campanulate or urceolate +
dehiscent +  and indehiscent +
elongate +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Sand dunes, beaches, desert valleys, typically with Larrea divaricata and Artemisia species +
sessile +  and stalked +
axillary +  and terminal +
arranged +  and alternate +
1 (?) +  and 3 (?) +
serrulate +  and serrate +
1-carpellate +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
distinct +
9mm;13mm +
strap--shaped +
unequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering spring–summer. +
tricolporate +  and binucleate +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
not arillate +
silver-gray +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
compressed +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
brownish green +
deciduous +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glandular-pubescent +  and glabrous +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
spreading +  and erect +
deciduous +  and caducous +
scale-like +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Carsonia sparsifolia +
Carsonia +
species +
60 cm600 mm <br />0.6 m <br /> (90 cm900 mm <br />0.9 m <br />) +