Flora of North America species comparison

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Agnorhiza elata

Agnorhiza bolanderi

Hall's mule-ears

Bolander's mule-ears
Habit Plants 50–100 cm. Plants (10–)15–30 cm.
Stems

erect, usually branched distally.

decumbent, seldom distally branched.
Cauline leaves

blades ovate-lanceolate to deltate, (8–)10–15(–20) cm, bases truncate to subcordate, margins entire or finely dentate or serrulate, faces tomentulose to pilosulous (and gland-dotted).

blades oblong, ovate, rounded-deltate, or suborbiculate, 4–12 cm, bases ± truncate or cordate, margins entire, faces glabrous (shining, finely gland-dotted, ± glutinous).
Involucres

hemispheric, 25–40 mm diam.

± campanulate, 15–25(–30+) mm diam.
Ray florets

10–14(–23), laminae (30–)50–60 mm.

(7–)8–12, laminae (12–)20–30(–35) mm.
Outer phyllaries

lanceolate, 20–30 mm (equaling or surpassing discs, tips often spreading to squarrose).

ovate to ovate-lanceolate, 10–40+ mm (seldom surpassing ray corollas).
Heads

held beyond leaves.

held among or beyond leaves.
Cypselae

8–12 mm, usually glabrous, sometimes distally strigillose;

pappi coroniform (lacerate, projected into scales on angles), (0.5–)1–2(–3) mm.

7–9 mm, glabrous;

pappi 0 or coroniform, 0.1–0.3 mm.
2n

= 38.

= 38.

Agnorhiza elata

Agnorhiza bolanderi
Phenology Flowering Jun–Jul(–Aug). Flowering Mar–Apr(–May).
Habitat Open pine forests Openings in chaparral
Elevation 900–1200 m (3000–3900 ft) 600–800 m (2000–2600 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Agnorhiza elata is known only from foothills of the Sierra Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Agnorhiza bolanderi is known only from the foothills of the Sierra Nevada, where it evidently grows only on serpentine soils.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 105. FNA vol. 21, p. 105.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Agnorhiza Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Agnorhiza
Sibling taxa
A. bolanderi, A. invenusta, A. ovata, A. reticulata
A. elata, A. invenusta, A. ovata, A. reticulata
Synonyms Wyethia elata Balsamorhiza bolanderi, Wyethia bolanderi
Name authority (H. M. Hall) W. A. Weber: Phytologia 85: 19. (1999) (A. Gray) W. A. Weber: Phytologia 85: 19. (1999)
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).



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