Adenophyllum cooperi

(A. Gray) Strother

Sida 11: 376. 1986.

IllustratedEndemic
Basionyms: Dyssodia cooperi A. Gray Proc. Amer. Acad. Arts 9: 201. 1874
Treatment appears in FNA Volume 21. Treatment on page 239.

Perennials or subshrubs, 30–50+ cm. Leaves mostly not lobed, blades oblanceolate to ovate, 8–25 × 4–8 mm (bases sometimes toothed or obscurely lobed, oil-glands 1–2 pairs near base, 1 near tip, each leaf). Peduncles 60–150 mm. Calyculi of 12–22 linear-attenuate, gland-bearing, bractlets 5–8 mm. Involucres campanulate to obconic, 15–18 mm. Phyllaries ca. 20, lanceolate to linear, separating in fruit. Ray-florets (0–) 7–13; corollas yellow-orange, becoming red-orange; tubes 5 mm, laminae 8–10 × 2.5–4 mm. Disc-florets 50–80+; corollas yellow, 8–10 mm. Cypselae 5–7 mm; pappi of 15–20 scales 7–10 mm, each comprising 5–9, basally connate bristles. 2n = 26.


Phenology: Flowering spring–fall.
Habitat: Sandy and gravelly soils of washes and alluvial fans in deserts
Elevation: 0–1300 m

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Adenophyllum cooperi"
not tailed +, rounded +  and obtuse +
darkened +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) Strother +
decurrent +
Dyssodia cooperi +
compound +  and simple +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
oblanceolate;ovate +
4mm;8mm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
linear;subulate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
barbellulate +  and barbellate +
yellow +, red-orange +  and yellow-orange +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
sericeous +, strigose +  and glabrous +
obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Calif. +  and Nev. +
0–1300 m +
hirtellous +  and glabrous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandy and gravelly soils of washes and alluvial fans in deserts +
cymiform +, corymbiform +, discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (2 cm20 mm <br />0.02 m <br />) +
campanulate;obconic +
1.5 cm15 mm <br />0.015 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2.5mm;4mm +
sessile +  and petiolate +
lanceovate +  and lance-linear +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
coroniform +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering spring–fall. +
bearing subulate enations +, hairy +  and bristly +
15 +  and 20 +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Tageteae +
Adenophyllum cooperi +
Adenophyllum +
species +
cylindric +
5 cm50 mm <br />0.05 m <br /> (?) +
70 cm700 mm <br />0.7 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +