Helianthella parryi

A. Gray

Proc. Acad. Nat. Sci. Philadelphia 15: 65. 1864.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 115.

Plants 20–50 cm. Cauline leaves: largest proximal to mid-stems; blades usually 5-nerved, oblanceolate or spatulate, faces rough-pubescent. Heads usually borne singly, sometimes 2–3+, ± nodding. Involucres hemispheric or broader, 15–20 mm diam. Phyllaries lanceolate to lance-linear (subequal, margins ciliate). Paleae scarious, relatively soft. Ray-florets 8–14; (corollas pale-yellow) laminae 25–30 mm. Disc corollas yellow. Cypselae strongly compressed, narrowly obovate (margins ciliate, faces strigose); pappi of 2 ± subulate scales plus 0–4+ shorter scales.


Phenology: Flowering Jul–Aug.
Habitat: Upper montane forests
Elevation: 2400–3600 m

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Helianthella parryi"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
William A. Weber +
A. Gray +
bristlelike +
coroniform +
cuneate +
spatulate;oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
purple +  and brown +
hairy +  and glabrous +
obovate +  and compressed +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +  and N.Mex. +
2400–3600 m +
rough-pubescent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Upper montane forests +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
alternate +  and opposite +
cauline +  and basal +
deltate +
2-carpellate +
persistent +
Flowering Jul–Aug. +
22 +  and 32 +
unequal +  and subequal +
Proc. Acad. Nat. Sci. Philadelphia +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
0 +  and 4 +
subulate +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Helianthella parryi +
Helianthella +
species +
cylindric +
shorter to longer than campanulate +
toothed +  and entire +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +