Koanophyllon villosum

(Swartz) R. M. King & H. Robinson

Phytologia 32: 265. 1975.

Common names: Florida Keys umbrella thoroughwort
Illustrated
Basionym: Eupatorium villosum Swartz Prodr., 111. 1788
Treatment appears in FNA Volume 21. Treatment on page 542.

Shrubs, 50–200 cm. Stems densely puberulent to pilose (often minutely glanddotted). Leaves opposite; petioles 2–8 mm; blades ovate to ovate-deltate or ovatelanceolate, mostly 2–7 (–8) × 1–4 cm, bases truncate to cordate, margins entire or shallowly serrate to crenate, apices obtuse, abaxial faces densely glanddotted, adaxial sparsely puberulent. Involucres 2.8–3 mm. Phyllaries: outermost elliptic-lanceolate, hispidulous-puberulent, margins herbaceous, mostly eciliate. Corollas white or pinkish white, 2.2–2.6 mm, lobes glandular. Cypselae 1.5–1.8 mm, finely hispidulous-strigose.


Phenology: Flowering year round, perhaps most abundantly May–Sep.
Habitat: Hammocks, pinelands
Elevation: 0–10 m

Distribution

V21-1377-distribution-map.gif

Fla., West Indies (Bahamas)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Koanophyllon villosum"
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Guy L. Nesom +
(Swartz) R. M. King & H. Robinson +
truncate +  and cordate +
enlarged +
Eupatorium villosum +
7 cm70 mm <br />0.07 m <br /> (8 cm80 mm <br />0.08 m <br />) +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
dissected +, lobed +, toothed +  and entire +
ovate;ovate-deltate or ovatelanceolate +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
filiform;obscurely clavate +
Florida Keys umbrella thoroughwort +
pinkish white +  and white +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
hispidulous-strigose +
prismatic +
fertile +  and bisexual +
Fla. +  and West Indies (Bahamas) +
0–10 m +
strigose +, puberulent +, hispidulous +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Hammocks, pinelands +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
obconic;hemispheric +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
lanceolate +  and lance-linear +
shallowly serrate to crenate +  and entire +
elliptic-lanceolate +
2-carpellate +
persistent +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering year round, perhaps most abundantly May–Sep. +
7 +  and 16 +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
Illustrated +
densely puberulent +  and pilose +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Koanophyllon villosum +
Koanophyllon +
species +