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Nestotus macleanii
(Brandegee) R.P. Roberts, Urbatsch & Neubig
Family:
Asteraceae
Yukon Golden-Matweed
[
Haplopappus macleanii
Brandegee]
FNA
Resources
Lowell E. Urbatsch, Roland P. Roberts, Caleb A. Morse, Kurt M. Neubig in Flora of North America (vol. 20)
Stems
2-8 cm.
Leaves
linear, 3-16 × 0.3-1 mm, margins sometimes ciliate, midnerves raised abaxially, with 2 lengthwise, parallel furrows, apices minutely mucronate, faces glabrous, sparsely stipitate-glandular.
Peduncles
distally stipitate-glandular.
Involucres
6-9 × 5-9 mm.
Phyllaries
mostly green, linear to narrowly oblanceolate, 4.3-7.6 × 0.7-2 mm, evidently 1-nerved, a pair of collateral nerves often weakly evident, sparsely hairy and/or stipitate-glandular.
Ray florets
7-11; laminae 6-11 × 2.7-5 mm, tubes stipitate-glandular.
Disc florets
14-18; corollas 5.2-7.3, lobes 0.9-1.6 mm; style-branches 1.4-2.5 mm, appendages 0.7-1.2 mm.
Cypselae
2-3.7 mm, densely hairy;
pappi
of ± 50 bristles.
Flowering late spring. Rocky slopes, grasslands, and river bluffs; of conservation concern; 400-900 m; Yukon.
Nestotus macleanii
grows in the Yukon River drainage.
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