Flora of North America species comparison

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Acourtia runcinata

desert paeonia, featherleaf desertpeony
Habit Plants 5–35 cm.
Leaves

basal;

petioles 0.5–9 cm;

blades oblong-oblanceolate, 2.5–23 cm, bases cuneate, margins pinnately lobed (lobes ovate), spinulose-dentate, apices acute, faces hirtellous and/or finely stipitate-glandular.
Involucres

turbinate, 14–17 mm.
Receptacles

reticulate, hispidulous.
Florets

25–53;

corollas pink or lavender-pink, 12–22 mm.
Phyllaries

in 2–4 series, lanceolate to subulate (3–15 mm), margins glandular-hairy, apices acuminate, abaxial faces glandular.
Heads

borne singly or 2–3 together (on scapiform peduncles).
Cypselae

fusiform to linear-fusiform, 4–8 mm, stipitate-glandular and/or hispidulous;

pappi tan or white, 1–17 mm.
2n

= ca. 54.

Acourtia runcinata
Phenology Flowering year round (mostly Mar–Aug).
Habitat Juniper forests, oak woodlands, dry matorral, desert scrub on calcareous, sandy clay, and gypsiferous soils
Elevation 0–1600 m (0–5200 ft)
Distribution
from FNA
TX; Mexico (Chihuahua, Coahuila, Hidalgo, Nuevo León, San Luis Potosí, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
Discussion

Acourtia runcinata is the most widespread species of the genus, within which it is unique in possessing fasciculate, tuberous-fusiform roots. In the flora, it grows in central and southwestern Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 73.
Parent taxa Asteraceae > tribe Mutisieae > Acourtia
Sibling taxa
A. microcephala, A. nana, A. thurberi, A. wrightii
Synonyms Clarionia runcinata
Name authority (D. Don) B. L. Turner: Phytologia 38: 460. (1978)
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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