Toiyabea alpina

(L. C. Anderson & Goodrich) R. P. Roberts

Sida 21: 1653. 2005.

Common names: Alpine serpentweed
IllustratedEndemicConservation concern
Basionym: Haplopappus alpinus L. C. Anderson & Goodrich Great Basin Naturalist 40: 73, figs. 1, 3. 1980
Synonyms: Tonestus alpinus (L. C. Anderson & Goodrich) G. L. Nesom & D. R. Morgan
Treatment appears in FNA Volume 20. Treatment on page 173.

Leaves ascending to spreading, blades 30–70 × 8–36 mm, bases attenuate to cuneate, clasping (more so in distal leaves), apices acute to attenuate; cauline ± sessile, reduced distally. Disc-florets: corollas 5.8–7.6 mm, lobes 1–1.6 mm; anthers yellow, ca. 2.6 mm; style-branches 1.8–2.5 mm, stigmatic lines nearly as long as appendages, appendages 1.2–1.7 mm. Cypselae 4–5 mm; pappi 6–7 mm. 2n = 18.


Phenology: Flowering mid summer–fall.
Habitat: Rocky terrain near and above treeline
Elevation: 2500–3500 m

Discussion

Of conservation concern.

Toiyabea alpina is found in the Toiyabea and Toquima mountains of southern Nevada.

Selected References

None.

Lower Taxa

None.

"fine" is not a number."[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

... more about "Toiyabea alpina"
not tailed +, rounded +  and obtuse +
2.6 cm26 mm <br />0.026 m <br /> (?) +
distinct +
acute;attenuate +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
flat-topped +  and elongate +
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(L. C. Anderson & Goodrich) R. P. Roberts +
attenuate +  and cuneate +
Haplopappus alpinus +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (3.6 cm36 mm <br />0.036 m <br />) +
rugulose +  and muricate +
Alpine serpentweed +
not 2-lipped +  and actinomorphic +
golden yellow +
0.58 cm5.8 mm <br />0.0058 m <br /> (0.76 cm7.6 mm <br />0.0076 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +, cylindric +  and fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
2500–3500 m +
hairy +  and stipitate-glandular +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky terrain near and above treeline +
indeterminate +
heterogamous +  and homogamous +
stipitate-glandular +
each +  and sessile +
lanceolate-spatulate +
campanulate;hemispheric +
ascending +  and spreading +
cauline +  and basal +
spreading;recurved +
lanceolate +
dentate to pinnatifid +  and entire +
2-carpellate +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering mid summer–fall. +
foliaceous +  and 3-nerved +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +, Endemic +  and Conservation concern +
1 (?) +  and 10 (?) +
appendaged +  and truncate +
papillate +  and smooth +
Tonestus alpinus +
Toiyabea alpina +
Toiyabea +
species +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
tree +, shrub +  and subshrub +