Hesperevax sparsiflora var. brevifolia

(A. Gray) Morefield

Syst. Bot. 17: 302. 1992.

Common names: Seaside or short-leaved evax
Endemic
Basionym: Evax caulescens var. brevifolia A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 229. 1884
Synonyms: Evax sparsiflora var. brevifolia (A. Gray) Jepson
Treatment appears in FNA Volume 19. Treatment on page 468. Mentioned on page 469.

Plants ± greenish, mostly 3–9 cm. Leaves cauline, largest 6–12 (–14) × 3–5 (–6) mm; blades ± round, ± densely lanuginose. Heads: longest 3–3.7 mm. Pistillate paleae 2.5–3.7 mm. Cypselae mostly 1–1.7 mm.


Phenology: Flowering and fruiting late Mar–early Jul.
Habitat: Sandy, grassy or wooded coastal bluffs, terraces, dunes
Elevation: 0–300 m

Discussion

Variety brevifolia occurs in a coastal band from the San Francisco Bay area to southwestern Oregon. It is of potential conservation concern in both states. See discussion under Hesperevax acaulis var. robustior.

Selected References

None.

Lower Taxa

None.

"longest" is not a number."-1.5timesbladelengths" is not declared as a valid unit of measurement for this property.

truncate-penicillate;truncate +
scarious +
mostly ovate +  and lanceovate or linear +
spiciform +  and cymiform +
indeterminate +  and determinate +
James D. Morefield +
(A. Gray) Morefield +
decurrent +
cartilaginous +  and more or less indurate +
Evax caulescens var. brevifolia +
compound +  and simple +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
obovate;obovate;oblanceolate not gibbous flat +
not whorled +  and approximate +
ascending +  and erect +
Seaside or short-leaved evax +
actinomorphic +
red-tipped +, purplish +, yellow +  and whitish +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
black-banded +  and brown +
not gibbous +, obovoid +  and obcompressed +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
3mm +  and 8mm +
Calif. +  and Oreg. +
0–300 m +
dull +  and more or less shiny +
winged +  and beaked +
dispersed +
Sandy, grassy or wooded coastal bluffs, terraces, dunes +
indeterminate +
1.8-2.5 times diams +
homogamous +  and heterogamous +
cylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
each +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
largest +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
rarely lanceovate +  and lanceolate +
2-carpellate +
persistent +
0.3-0.4 times head heights +
spreading +, erect +  and ascending or spreading +
oblanceolate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
persistent +
Flowering and fruiting late Mar–early Jul. +
subequal +  and unequal +
paleate +  and epaleate +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
cylindric;conic +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
exalbuminous +
ascending +  and erect +
1 +  and 10 +
appendaged +  and truncate +
papillate +
Evax sparsiflora var. brevifolia +
Hesperevax sparsiflora var. brevifolia +
Hesperevax sparsiflora +
variety +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (10 cm100 mm <br />0.1 m <br />) +