Holozonia filipes

(Hooker & Arnott) Greene

Bull Torrey Bot. Club 9: 122. 1882.

IllustratedEndemic
Treatment appears in FNA Volume 21. Treatment on page 294.

Leaf-blades (proximal) 3–10 cm × 2–8 mm. Phyllaries 3–5 mm. Disc corollas 3–4.5 mm. Cypselae 2.5–3.5 mm. 2n = 28.


Phenology: Flowering Jun–Oct.
Habitat: Banks and dry beds of streams and pools, often in rocky sites or alkaline clays
Elevation: 30–600 m

Discussion

Holozonia filipes is the only perennial, continental tarweed with white corollas or filiform peduncles and is unique among the perennials for occurring in low-elevation, summer-hot, interior habitats. Like most of the perennial, continental tarweeds, H. filipes is self-incompatible and has a geographic distribution marked by major disjunctions between some populations.

Selected References

None.

Lower Taxa

None.
... more about "Holozonia filipes"
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Bruce G. Baldwin +  and John L. Strother +
(Hooker & Arnott) Greene +
decurrent +
compound +  and simple +
linear to linear-elliptic +
lanceolate;linear +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
white +  and whitish +
hairy +  and glabrous +
clavate +  and obcompressed +
fertile +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
fertile +  and bisexual +
30–600 m +
glandular-hirtellous +  and hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Banks and dry beds of streams and pools, often in rocky sites or alkaline clays +
in loose , corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
turbinate;obconic +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
petiolate +  and sessile +
alternate +  and opposite +
deltate +
2-carpellate +
persistent +
of 1 +  and 5 subulate scales +
coroniform +
Flowering Jun–Oct. +
4 +  and 10 +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Bull Torrey Bot. Club +
setulose +  and glabrous +
flat;convex +
1 +  and 5 +
subulate +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Holozonia filipes +
Holozonia +
species +
cylindric +
toothed +  and entire +
30 cm300 mm <br />0.3 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
shrub +  and subshrub +