Adenophyllum porophylloides

(A. Gray) Strother

Sida 11: 377. 1986.

Basionyms: Dyssodia porophylloides A. Gray Mem. Amer. Acad. Arts, n. s. 5: 322. 1854
Treatment appears in FNA Volume 21. Treatment on page 239. Mentioned on page 238.

Perennials or subshrubs, 20–50+ cm. Leaves pinnately lobed, 15–40 mm, lobes 3–5, linear to cuneate or oblanceolate (oil-glands at base of each lobe and subterminal in tips). Peduncles 20–80 mm. Calyculi of 12–16 subulate bractlets 3–8 mm (bearing glands). Involucres obconic, 10–15 mm. Phyllaries 12–20, lanceolate, separating in fruit. Ray-florets 10–14; corollas yellow, becoming red-orange; tubes ca. 2 mm, laminae 6 × 2 mm. Disc-florets 25–40; corollas yellow-orange, 7–8 mm. Cypselae 5 mm; pappi of 8–12 scales 7–8 mm, each comprising 7–11 basally connate bristles. 2n = 26.


Phenology: Flowering spring and fall.
Habitat: Alluvial fans and rocky slopes in deserts
Elevation: 0–1200 m

Distribution

V21-582-distribution-map.gif

Ariz., Calif., Nev., Mexico (Baja California), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

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 porophylloides +
compound +  and simple +
lobed;linear;oblanceolate;linear;oblanceolate;ovate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
barbellulate +  and barbellate +
yellow-orange +, red-orange +  and yellow +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sericeous +, strigose +  and glabrous +
obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Calif. +, Nev. +, Mexico (Baja California) +  and Mexico (Sonora) +
0–1200 m +
hirtellous +  and glabrous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Alluvial fans and rocky slopes 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 />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
sessile +  and petiolate +
1.5 cm15 mm <br />0.015 m <br /> (?) +  and 4 cm40 mm <br />0.04 m <br /> (?) +
linear +  and cuneate or oblanceolate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
coroniform +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering spring and fall. +
12 +  and 20 +
bearing subulate enations +, hairy +  and bristly +
8 +  and 12 +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Tageteae +
Adenophyllum porophylloides +
Adenophyllum +
species +
cylindric +
2 cm20 mm <br />0.02 m <br /> (?) +
70 cm700 mm <br />0.7 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +