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Nestotus stenophyllus
(A. Gray) R.P. Roberts, Urbatsch & Neubig
Family:
Asteraceae
Narrow-Leaf Golden-Matweed
FNA
Resources
Lowell E. Urbatsch, Roland P. Roberts, Caleb A. Morse, Kurt M. Neubig in Flora of North America (vol. 20)
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 translu-cent 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.
2
n
= 18 (as
Haplopappus stenophyllus
).
Flowering mid-late spring. Sagebrush steppe on basaltic, rhyolitic, or granitic soils; 900-2300 m; Calif., Idaho, Nev., Oreg., Wash.
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