Tetraneuris verdiensis

R. A. Denham & B. L. Turner

Phytologia 81: 5, fig. 1. 1996.

Treatment appears in FNA Volume 21. Treatment on page 450. Mentioned on page 448, 451.

Perennials, 5–15+ cm. Caudices ± branched, branches notably thickened distally. Stems 1–15, erect, unbranched. Leaves all basal (new leaves tightly clustered); blades obovate or oblanceolate to linear-oblanceolate, entire, densely hairy (not strigoso-canescent), ± glanddotted. Heads 1–15 per plant, borne singly. Peduncles 4–15 cm, ± hairy. Involucres 5–9 × 6–10 mm. Outer phyllaries 8–10, 4–5 (–6) mm, margins 0–0.2 mm wide, sometimes slightly scarious, abaxial faces densely hairy. Ray-florets 0. Disc-florets 20–40; corollas yellow, 2.5–4 mm. Cypselae 2.8–4 mm; pappi of 5–6 ovate to lanceolate or obovate to oblanceolate, aristate scales 2.5–3.5 mm.


Phenology: Flowering May.
Habitat: Low gypsum hills
Elevation: ca. 1000 m

Discussion

Of conservation concern.

Tetraneuris verdiensis is found only at or near the type locality, east of Camp Verde, Yavapai County.

Selected References

None.

Lower Taxa

None.
... more about "Tetraneuris verdiensis"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Mark W. Bierner +  and Billie L. Turner +
R. A. Denham & B. L. Turner +
decurrent +
compound +  and simple +
oblanceolate;linear-oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
ca. 1000 m +
more or less +  and eglandular +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Low gypsum hills +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
hemispheric;campanulate +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
sessile +  and petiolate +
basal-proximal +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
0mm +  and 0.2mm +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
connate +  and distinct +
ovate +, oblong +, oblanceolate +, linear +, lanceolate +  and elliptic +
unequal +  and subequal +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-carpellate +
persistent +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering May. +
11 +  and 60 +
bearing subulate enations +, hairy +  and bristly +
hemispheric;conic +
5 +  and 6 +
aristate +, ovate +  and lanceolate or obovate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
exalbuminous +
1 +  and 15 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Tetraneuris verdiensis +
Tetraneuris +
species +
urceolate +  and campanulate +
dilated +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
shrub +  and subshrub +