Tetradymia filifolia

Greene

Bull. Torrey Bot. Club 25: 123, plate 334, figs. 3, 4. 1898.

Endemic
Treatment appears in FNA Volume 20. Treatment on page 630.
Revision as of 20:25, 29 July 2020 by imported>Volume Importer
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Shrubs, 1–5+ dm. Stems 1–5+, erect, unarmed, tomentose to glabrescent. Leaves: primaries linear-subulate, 5–20+ mm, floccose, sometimes glabrate; secondaries linear-filiform, 3–15 mm. Heads 3–7. Peduncles 3–15 mm. Involucres turbinate, 7–10 mm. Phyllaries 4, lanceolate to obovate. Florets 4; corollas cream to bright-yellow, 9–10 mm. Cypselae 3–5 mm, hirsute; pappi of 100–130 (distally dilated) bristles 6–8 mm. 2n = 120.


Phenology: Flowering summer.
Habitat: Pinyon-juniper woodlands, sometimes gypseous soils
Elevation: 1500–1800 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Tetradymia filifolia"
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate;usually truncate;rounded-truncate +
scarious +
usually ovate +  and lance-linear +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Greene +
decurrent +
linear;filiform narrowly lanceolate or oblanceolate +
winged;nerved;ribbed +
barbellulate +  and smooth +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
cream +  and bright-yellow +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
prismatic +  and obconic or fusiform +
fertile +  and bisexual +
fertile +  and bisexual +
1500–1800 m +
glabrescent +, lanate +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Pinyon-juniper woodlands, sometimes gypseous soils +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
linear +  and lanceolate +
2-carpellate +
of 70 +  and 150 bristles or , , scales +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering summer. +
lanceolate +  and obovate +
glabrate +  and floccose +
linear-subulate +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Bull. Torrey Bot. Club +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
white;stramineous +
subulate +  and setiform +
linear-filiform +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
exalbuminous +
tomentose +  and glabrescent +
1 +  and 5 +
appendaged +  and truncate +
papillate +
Compositae +
Tetradymia filifolia +
Tetradymia +
species +
perennial +  and annual +