Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Helianthella parryi

Helianthella quinquenervis

Parry wood sunflower, Parry's dwarf-sunflower

aspen sunflower, five-nerve helianthella, nodding dwarf-sunflower, nodding helianthella, wood sunflower
Habit Plants 20–50 cm. Plants (30–)50–150 cm.
Cauline leaves

largest proximal to mid stems;

blades usually 5-nerved, oblanceolate or spatulate, faces rough-pubescent.

largest proximal to mid stems;

blades usually 3– or 5–nerved, elliptic or ovate-lanceolate to lanceolate, 10–50 cm, faces sparsely hirsute or glabrous.
Involucres

hemispheric or broader, 15–20 mm diam.

hemispheric or broader, (25–)40–50 mm diam.
Ray florets

8–14; (corollas pale yellow) laminae 25–30 mm.

(13–)21; (corollas bright yellow) laminae 25–30(–40) mm.
Disc corollas

yellow.

yellow.
Phyllaries

lanceolate to lance-linear (subequal, margins ciliate).

(outer sometimes ± foliaceous) ovate to lanceolate (subequal to unequal, margins ciliate).
Heads

usually borne singly, sometimes 2–3+, ± nodding.

usually borne singly, ± nodding.
Cypselae

strongly compressed, narrowly obovate (margins ciliate, faces strigose);

pappi of 2 ± subulate scales plus 0–4+ shorter scales.

strongly compressed, narrowly obovate (margins ciliate, faces strigose);

pappi of 2 ± subulate scales plus 2–4+ shorter scales.
Paleae

scarious, relatively soft.

scarious, relatively soft.

Helianthella parryi

Helianthella quinquenervis
Phenology Flowering Jul–Aug. Flowering Jun–Aug(–Oct).
Habitat Upper montane forests Moist meadows, aspen glades
Elevation 2400–3600 m (7900–11800 ft) 1400–3600 m (4600–11800 ft)
Distribution
from FNA
AZ; CO; NM
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CO; ID; MT; NM; NV; OR; SD; WY; Mexico (Chihuahua, Nuevo León)
[WildflowerSearch map]
[BONAP county map]
Discussion

Helianthella quinquenervis grows primarily in the Rocky Mountains, Great Basin ranges, and Black Hills.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 115. FNA vol. 21, p. 116.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Helianthella Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Helianthella
Sibling taxa
H. californica, H. castanea, H. microcephala, H. quinquenervis, H. uniflora
H. californica, H. castanea, H. microcephala, H. parryi, H. uniflora
Synonyms Helianthus quinquenervis
Name authority A. Gray: Proc. Acad. Nat. Sci. Philadelphia 15: 65. (1864) (Hooker) A. Gray: Proc. Amer. Acad. Arts 19: 10. (1883)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora

The species comparison tool is brought to you by:
Northwest Wildflowers