Eriophyllum confertiflorum var. confertiflorum

Illustrated
Synonyms: Eriophyllum confertiflorum var. latum A. Gray Eriophyllum confertiflorum var. laxiflorum
Treatment appears in FNA Volume 21. Treatment on page 361. Mentioned on page 357, 362.

Leaf-blades cuneate to obovate, 0.5–5 cm, the larger 1–2-pinnately lobed, lobes linear, the smaller 3–5-lobed or toothed. Heads 10–30+ per array. Peduncles 0–1 (–2) cm. Involucres 3–5 mm diam. Phyllaries 4–6, broadly elliptic, apices obtuse. Ray-florets usually 4–6, rarely 0; laminae 2–4 mm. Disc-florets 10–35; corollas 2–3 mm. Cypselae 1.5–3 mm; pappi 0.5–1 mm. 2n = 16, 32, 48, 64.


Phenology: Flowering Mar–Jul.
Habitat: Dry, sandy to rocky sites, coastal scrub to forest communities
Elevation: 0–3500 m

Discussion

Members of var. confertiflorum complex hybridize with at least four varieties of Eriophyllum lanatum. Eriophyllum latilobum, E. jepsonii, E. confertiflorum var. tanacetiflorum, and some populations of E. confertiflorum var. confertiflorum with larger, broader leaves and longer peduncles may have resulted from such hybridizations (L. Constance 1937; P. A. Munz 1959; J. S. Mooring 1994).

Some southern California Indian tribes used var. confertiflorum as a remedy for rheumatism (E. C. Jaeger 1941). It has been introduced into cultivation as an ornamental.

Selected References

None.

Lower Taxa

None.
64 +, 48 +, 32 +  and 16 +
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, glomerate +  and corymbiform +
indeterminate +  and determinate +
Dale E. Johnson +  and John S. Mooring +
(de Candolle) A. Gray +
decurrent +
Bahia confertiflora +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
lobed +, cuneate +  and obovate +
compound +  and simple +
cuneate;obovate +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and white +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
glabrous +  and hairy +
papillate +
4(-5)-angled +, linear-clavate +  and prismatic flattened or 3-angled +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +  and Mexico +
0–3500 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, sandy to rocky sites, coastal scrub to forest communities +
compound-corymbiform +, corymbiform +, discoid +  and radiate +
disciform +  and discoid +
in loose to tight +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate +
golden yellow +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1.5mm;3]mm +
sessile +  and petiolate +
papillate +
toothed +, 3-5-lobed +  and smaller +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
of 1 +  and 12+ aristate +
coroniform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Mar–Jul. +
scarious-margined +
connate +  and distinct +
weakly +  and flat +
glabrous +, glabrate +, woolly +  and tomentose +
Proc. Amer. Acad. Arts +
pitted +  and smooth +
convex;conic +
2 +  and 14 +
cuneate +  and oblanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Eriophyllum confertiflorum var. latum +  and Eriophyllum confertiflorum var. laxiflorum +
Eriophyllum confertiflorum var. confertiflorum +
Eriophyllum confertiflorum +
variety +
campanulate +
perennial +  and annual +