Pentzia incana

(Thunberg) Kuntze

Revis. Gen. Pl. 3(2): 166. 1898.

Common names: African sheepbush
IntroducedIllustrated
Basionym: Chrysanthemum incanum Thunberg Prodr. Pl. Cap., 161. 1800
Treatment appears in FNA Volume 19. Treatment on page 543.

Stem branches ascending, finely appressed-tomentulose. Leaves often fascicled; blades ± obovate to cuneate, 3–9 mm, 1 (–2) times divided, ultimate lobes linear to narrowly spatulate, revolute, inconspicuously appressed-puberulent to tomentulose or glabrate, minutely gland-dotted. Peduncles slender, 2–3 cm, proximally bracteate, bracts remote, appressed, leaflike, distally usually ebracteate. Involucres 3–4 × 4–5 mm. Phyllaries: outer with relatively narrow scarious margins, inner with relatively broad, hyaline tips. Corollas ± goblet-shaped, 1.8–2+ mm. Cypselae gray-brown, 1.2–1.8 mm; pappi of 1–3, adaxial, ± truncate, erose to lacerate scales 0.6–1 mm.


Phenology: Flowering Apr–Sep.
Habitat: Grasslands, pinyon-juniper-oak scrub
Elevation: 900–1600 m

Distribution

V19-945-distribution-map.gif

Introduced; Ariz., N.Mex., s Africa, also in Australia

Discussion

Pentzia incana was introduced in Arizona from southern Africa by the U.S. Soil Conservation Service. It is valued in its native region as a browse plant.

Selected References

None.

Lower Taxa

None.

"broad" is not a number.

... more about "Pentzia incana"
1 +  and 3 +
not tailed +  and obtuse +
scarious +
indeterminate +  and determinate +
David J. Keil +
(Thunberg) Kuntze +
decurrent +
Chrysanthemum incanum +
compound +  and simple +
gland-dotted +
inconspicuously appressed-puberulent +  and tomentulose or glabrate +
linear;narrowly spatulate +
1(-2) times divided ultimate lobes +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
African sheepbush +
zygomorphic +, actinomorphic +  and (3-)5-merous +
goblet--shaped +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
winged +  and monomorphic +
narrowly obovoid +  and oblong or elliptic more or less terete or flattened +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +, s Africa +  and also in Australia +
900–1600 m +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grasslands, pinyon-juniper-oak scrub +
in loose , corymbiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
spheric;hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +  and petiolate +
triangular +
entire +  and dentate +
2-carpellate +
persistent +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering Apr–Sep. +
22 +  and 40 +
Revis. Gen. Pl. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
3 +  and 5 +
lacerate +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
exalbuminous +
Introduced +  and Illustrated +
appressed-tomentulose +
prostrate +  and ascending +
1 +  and 10 +
appendaged +  and truncate +
papillate +
Compositae +
Pentzia incana +
species +
cylindric +
toothed +  and entire +
perennial +, biennial +  and annual +
35 cm350 mm <br />0.35 m <br /> (50 cm500 mm <br />0.5 m <br />) +