Bahia biternata

A. Gray

Smithsonian Contr. Knowl. 5(6): 95. 1853.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 384. Mentioned on page 383.

Annuals, 8–40+ cm. Stems mostly erect. Leaves all or mostly alternate (proximal sometimes opposite); blades simple or 1–2-ternately lobed, lobes filiform to linear, 5–12 (–25+) × 0.5–1.5 (–3+) mm, faces sparsely scabrellous, usually glanddotted as well. Involucres 3–4+ × 6–9+ mm. Ray-florets 8–13+; corolla laminae 3–4 (–10+) mm. Disc-florets 30–60+; corollas 2.5–3.5 mm. Cypselae 2–3+ mm, faces ± hirtellous; pappi of (outer cypselae) ± ovate to quadrate, apically ± muticous scales 0.5–1 mm or (innermost cypselae) lanceolate to lance-subulate, apically ± aristate scales 1–2.5 mm.


Phenology: Flowering (May–)Sep–Oct.
Habitat: Granite outcrops
Elevation: 1200–1600 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Bahia biternata"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
A. Gray +
decurrent +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
connate +  and distinct +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
stipitate-glandular +  and hairy +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
less hirtellous +  and more or less sericeous +
4-angled +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +  and N.Mex. +
1200–1600 m +
hirtellous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Granite outcrops +
in loose , corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
sessile +  and petiolate +
1.2 cm12 mm <br />0.012 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
filiform +  and linear +
0.5mm +  and 1.5mm +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
oblanceolate +  and ovate or quadrate +
Flowering (May–)Sep–Oct. +
8 +  and 18 +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
knobby;convex +
distinct +
4 +  and 20 +
aristate +, muticous +, less ovate +  and quadrate +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Bahia biternata +
species +
campanulate +, cylindric +  and equaling +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (80 cm800 mm <br />0.8 m <br />) +
entire +  and toothed +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
8 cm80 mm <br />0.08 m <br /> (40 cm400 mm <br />0.4 m <br />) +
shrub +  and subshrub +