Helianthella californica subsp. nevadensis

(Greene) W. A. Weber

Phytologia 85: 20. 1999.

Endemic
Basionym: Helianthella nevadensis Greene Bull. Calif. Acad. Sci. 1: 89. 1885
Synonyms: Helianthella californica var. nevadensis (Greene) Jepson
Treatment appears in FNA Volume 21. Treatment on page 117. Mentioned on page 116.

Stems not branched. Cauline leaves mostly alternate; blades oblong-lanceolate to lance-linear, (10–) 20–45 mm wide. Heads usually 2–3+, seldom borne singly. Cypselae winged; pappi of 2 ± subulate scales plus 0–4 shorter scales.


Phenology: Flowering Apr–Jul.
Habitat: Meadows, open forest, chaparral
Elevation: (200–)600–2300+ m

Discussion

Subspecies nevadensis grows in the Sierra Nevada and in the Cascade Range.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
William A. Weber +
(Greene) W. A. Weber +
bristlelike +
coroniform +
cuneate +
Helianthella nevadensis +
oblong-lanceolate;lance-linear +
5 cm50 mm <br />0.05 m <br /> (26 cm260 mm <br />0.26 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
purple +  and brown +
hairy +  and glabrous +
obovate-cuneate +  and oblong +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Nev. +  and Oreg. +
(200–)600–2300+ m +
less hirsutulous +  and scaberulous or glabrescent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Meadows, open forest, chaparral +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
hemispheric +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
alternate +  and opposite +
cauline +  and basal +
deltate +
2-carpellate +
persistent +
Flowering Apr–Jul. +
22 +  and 32 +
unequal +  and subequal +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
0 +  and 4 +
subulate +
exalbuminous +
not branched +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Helianthella californica var. nevadensis +
Helianthella californica subsp. nevadensis +
Helianthella californica +
subspecies +
cylindric +
shorter to longer than campanulate +
toothed +  and entire +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +