Nestotus stenophyllus

(A. Gray) Urbatsch

Sida 21: 1652. 2005.

Common names: Narrowleaf mock goldenweed
IllustratedEndemic
Basionym: Haplopappus stenophyllus A. Gray in C. Wilkes et al., U. S. Expl. Exped. 17(2): 347. 1874 (as Aplopappus)
Synonyms: Stenotus stenophyllus (A. Gray) Greene
Treatment appears in FNA Volume 20. Treatment on page 170.

Stems 3–12 cm. Leaves: blades linear to narrowly spatulate, (4–) 9–17 (–21) × 0.7–1.5 (–2) mm, margins ciliate, often stipitate-glandular, midnerves raised and secondary nerves usually evident abaxially, apices acute, ± minutely mucronate, faces scabrous and sparsely villous, densely stipitate-glandular. Peduncles villous, stipitate-glandular. Involucres 6–8 × 6–12 mm. Phyllaries mostly green except for translucent margins, oblong to narrowly oblanceolate, 4.6–8× 0.8–2.3 mm, evidently 1-nerved (apices acute to attenuate), stipitate-glandular. Ray-florets 5–8; laminae 4.5–12 × 1.3–5.5 mm, tubes hairy. Disc-florets 9–27; corollas 4.5–7.6, lobes 0.8–2 mm; style-branches 1.2–2.3 mm, appendages 0.6–1.3 mm. Cypselae 3.5–5 mm, hairy; pappi of ± 30 bristles. 2n = 18 (as Haplopappus stenophyllus).


Phenology: Flowering mid–late spring.
Habitat: Sagebrush steppe on basaltic, rhyolitic, or granitic soils
Elevation: 900–2300 m

Distribution

V20-372-distribution-map.gif

Calif., Idaho, Nev., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Nestotus stenophyllus"
stipitate-glandular +  and hairy +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Roland P. Roberts +, Caleb A. Morse +  and Kurt M. Neubig +
(A. Gray) Urbatsch +
decurrent +
Haplopappus stenophyllus +
1.7 cm17 mm <br />0.017 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
linear;narrowly spatulate +
0.7mm;1.5mm +
rugulose +  and muricate +
Narrowleaf mock goldenweed +
not 2-lipped +  and actinomorphic +
4.5 +  and 7.6 +
8 +  and 10 +
compressed +  and turbinate +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Idaho +, Nev. +, Oreg. +  and Wash. +
900–2300 m +
stipitate-glandular +  and villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sagebrush steppe on basaltic, rhyolitic, or granitic soils +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
campanulate;hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
4.5mm;12mm +
1.3mm;5.5mm +
erect;ascending +
triangular +  and narrowly lanceolate +
stipitate-glandular +
2-carpellate +
persistent +
stipitate-glandular +  and villous +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering mid–late spring. +
0.46 cm4.6 mm <br />0.0046 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
stipitate-glandular +
oblong +  and narrowly oblanceolate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +  and Endemic +
5 (?) +  and 20 (?) +
prostrate +  and erect +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
triangular +  and narrowly lanceolate +
appendaged +  and truncate +
papillate +  and smooth +
Stenotus stenophyllus +
Nestotus stenophyllus +
Nestotus +
species +
broadly vase-shaped +  and shorter than narrowly +
perennial +, biennial +  and annual +