Osmadenia tenella

Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 392. 1841.

Illustrated
Synonyms: Calycadenia tenella (Nuttall) Torrey & A. Gray
Treatment appears in FNA Volume 21. Treatment on page 269.

Leaves (proximal) 1–3 (–5) cm, smaller distally. Peduncular bracts 4–7, narrowly lanceolate, 4–8 mm. Phyllaries 3.5–6.5 mm (paleae 4–6 mm) ± strigillose, strongly glandular, abaxial faces bristly, shaggy-hairy, especially margins and apices. Ray corollas tubes ca. 2.5 mm, laminae ca. 4 mm. Disc corollas 3–5 mm, lobes ± hirsute. Cypselae (rays) 1.8–2.7 mm, beaks 0.3 mm, or (discs) 2–2.5 mm; pappi of scales 4–6 mm plus scales ca. 1 mm. 2n = 18.


Phenology: Flowering spring–summer.
Habitat: Barren, often rocky, exposed hillsides, canyons, chaparral, woodlands
Elevation: 10–600(–1200) m

Distribution

V21-662-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Osmadenia tenella"
shaggy-hairy +  and bristly +
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Robert L. Carr +  and Gerald D. Carr +
Nuttall +
decurrent +
off-center +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
compound +  and simple +
linear to linear-elliptic +
lobed;usually spatulate;oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
hairy +  and glabrous +
obcompressed +
fertile +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
Calif. +  and Mexico (Baja California) +
10–600(–1200) m +
appressed-hairy +, glabrous +  and hispidulous +
clavate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Barren, often rocky, exposed hillsides, canyons, chaparral, woodlands +
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 />) +
4 cm40 mm <br />0.04 m <br /> (?) +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
smaller +
1 cm10 mm <br />0.01 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
deltate +
2-carpellate +
persistent +
4 +  and 5 +
lance-attenuate +  and aristate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering spring–summer. +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Trans. Amer. Philos. Soc., n. s. +
convex;conic +
alternating +
4 +  and 5 +
fimbriate +
1 cm10 mm <br />0.01 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
exalbuminous +
Illustrated +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Calycadenia tenella +
Osmadenia tenella +
Osmadenia +
species +
cylindric +
toothed +  and entire +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
shrub +  and subshrub +