Nestotus macleanii

(Brandegee) Urbatsch

Sida 21: 1651. 2005.

Common names: Yukon goldenweed
EndemicConservation concern
Basionym: Haplopappus macleanii Brandegee Bot. Gaz. 27: 448. 1899 (as Aplopappus)
Synonyms: Stenotus macleanii (Brandegee) A. Heller
Treatment appears in FNA Volume 20. Treatment on page 170.

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.


Phenology: Flowering late spring.
Habitat: Rocky slopes, grasslands, and river bluffs
Elevation: 400–900 m

Discussion

Of conservation concern.

Nestotus macleanii grows in the Yukon River drainage.

Selected References

None.

Lower Taxa

None.
... more about "Nestotus macleanii"
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 +
(Brandegee) Urbatsch +
decurrent +
Haplopappus macleanii +
linear;narrowly spatulate +
rugulose +  and muricate +
Yukon goldenweed +
not 2-lipped +  and actinomorphic +
5.2 +  and 7.3 +
8 +  and 10 +
compressed +  and turbinate +
fertile +  and bisexual +
fertile +  and bisexual +
400–900 m +
stipitate-glandular +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky slopes, grasslands, and river bluffs +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
campanulate;hemispheric +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
2.7mm;5mm +
3mm;16mm +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
erect;ascending +
triangular +  and narrowly lanceolate +
2-carpellate +
persistent +
stipitate-glandular +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering late spring. +
0.43 cm4.3 mm <br />0.0043 m <br /> (0.76 cm7.6 mm <br />0.0076 m <br />) +
stipitate-glandular +  and hairy +
linear +  and narrowly oblanceolate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
5 (?) +  and 20 (?) +
prostrate +  and erect +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
triangular +  and narrowly lanceolate +
appendaged +  and truncate +
papillate +  and smooth +
Stenotus macleanii +
Nestotus macleanii +
Nestotus +
species +
broadly vase-shaped +  and shorter than narrowly +
stipitate-glandular +
perennial +, biennial +  and annual +