Orochaenactis thysanocarpha

(A. Gray) Coville

Contr. U.S. Natl. Herb. 4: 134. 1893.

IllustratedEndemic
Basionym: Chaenactis thysanocarpha A. Gray Proc. Amer. Acad. Arts 19: 30. 1883
Treatment appears in FNA Volume 21. Treatment on page 414.

Leaves 1–4 cm, bases tapered, apices obtuse. Heads 6–8 mm. Phyllaries ± purple, 3–6 mm. Disc corollas 3–5 mm, minutely glandular. Cypselae 2.5–4 mm; pappi 1.5–2.5 mm. 2n = 18.


Phenology: Flowering Jun–Aug.
Habitat: Open forests, dry meadows, gravelly slopes
Elevation: 2100–3800 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
David J. Keil +
(A. Gray) Coville +
tapered +
Chaenactis thysanocarpha +
compound +  and simple +
linear;narrowly oblong-oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
connate +  and distinct +
stipitate-glandular +  and hairy +
glabrescent +  and glandular-puberulent +
linear-clavate +  and terete +
fertile +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
2100–3800 m +
tomentose +  and glabrate +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Open forests, dry meadows, gravelly slopes +
indeterminate +
homogamous +  and heterogamous +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
turbinate;cylindric +
sessile +  and petiolate +
alternate +  and opposite +
1 cm10 mm <br />0.01 m <br /> (?) +  and 4 cm40 mm <br />0.04 m <br /> (?) +
short-triangular +
2-carpellate +
persistent +
aristate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering Jun–Aug. +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Contr. U.S. Natl. Herb. +
bearing subulate enations +, hairy +  and bristly +
distinct +
11 +  and 17 +
obtuse +, fringed +  and oblanceolate +
exalbuminous +
Illustrated +  and Endemic +
branched +  and simple +
erect +  and spreading +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Orochaenactis thysanocarpha +
Orochaenactis +
species +
campanulate +  and cylindric +
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 />) +
toothed +  and entire +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (25 cm250 mm <br />0.25 m <br />) +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
shrub +  and subshrub +