Berlandiera ×humilis

Small

Fl. S.E. U.S., 1246, 1340. 1903.

Treatment appears in FNA Volume 21. Treatment on page 86. Mentioned on page 84.

Plants 10–30 cm. Stems (erect) usually branched. Leaves crowded near stem-bases; petiolate; blades usually lyrate, sometimes pinnatifid, slightly chartaceous, ultimate margins entire, faces sparsely hirsute (at least adaxial). Heads in corymbiform arrays. Peduncles hairy (hairs relatively fine and usually mixed with shorter, stouter hairs). Involucres 16–22 mm diam. Ray corollas yellow to orange-yellow, abaxial veins green, laminae 12–17 × 5.5–7.8 mm. Disc corollas red to maroon. Cypselae (obovate) 5–6 × 3–4.5 mm. 2n = 30.


Phenology: Flowering Mar–Jun(–Dec).
Habitat: Sandy pine flats, openings
Elevation: 20–100 m

Discussion

Berlandiera ×humilis is a hybrid of B. pumila and B. subacaulis. Specimens from Alabama, Georgia, and South Carolina have some leaf-blade bases with 1+ lobes, evidence of introgression with B. pumila.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Berlandiera ×humilis"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Donald J. Pinkava +
bristlelike +
coroniform +
truncate +  and cuneate +
compound +  and simple +
pinnatifid;lyrate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
red +  and maroon +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
hairy +  and glabrous +
obovate +, obflattened +  and obcompressed +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
20–100 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandy pine flats, openings +
in paniculiform to corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
less campanulate;more or less hemispheric +
12mm;17mm +
5.5mm;7.8mm +
cauline +  and basal +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
coroniform +
Flowering Mar–Jun(–Dec). +
14 +  and 22 +
unequal +  and subequal +
Fl. S.E. U.S., +
yellow +  and orange-yellow +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
decumbent +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Berlandiera ×humilis +
Berlandiera +
species +
cylindric +
shorter to longer than campanulate +
sinuate +, dentate +  and crenate +
8 cm80 mm <br />0.08 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +