Flora of North America species comparison

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Acourtia runcinata

Acourtia wrightii

desert paeonia, featherleaf desertpeony

brownfoot, pink perezia
Habit Plants 5–35 cm. Plants 30–120 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.

cauline;

sessile;

blades oblong-lanceolate to elliptic-oblong, 2.5–13 cm, bases sagittate or clasping, margins dentate to denticulate, faces minutely stipitate-glandular and/or hirtellous (reticulate).
Involucres

turbinate, 14–17 mm.

turbinate, 5–8 mm.
Receptacles

reticulate, hispidulous.

reticulate (edges of sockets glandular).
Florets

25–53;

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

8–12;

corollas pink or purple, 9–20 mm.
Phyllaries

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

in 2–3 series, linear to lanceolate, margins fimbrillate-glandular, apices obtuse to acute, abaxial faces glabrous or glandular-hairy.
Heads

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

in corymbiform arrays.
Cypselae

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

pappi tan or white, 1–17 mm.

linear-fusiform, 2–6 mm, glandular-puberulent;

pappi bright white, 9–12 mm.
2n

= ca. 54.

= 54.

Acourtia runcinata

Acourtia wrightii
Phenology Flowering year round (mostly Mar–Aug). Flowering Jun–Nov.
Habitat Juniper forests, oak woodlands, dry matorral, desert scrub on calcareous, sandy clay, and gypsiferous soils Gravel, caliche, or sandy loamy soils in open desert (Lower Sonoran Desert)
Elevation 0–1600 m (0–5200 ft) 400–1400 m (1300–4600 ft)
Distribution
from FNA
TX; Mexico (Chihuahua, Coahuila, Hidalgo, Nuevo León, San Luis Potosí, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; UT; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas)
[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. FNA vol. 19, p. 74.
Parent taxa Asteraceae > tribe Mutisieae > Acourtia Asteraceae > tribe Mutisieae > Acourtia
Sibling taxa
A. microcephala, A. nana, A. thurberi, A. wrightii
A. microcephala, A. nana, A. runcinata, A. thurberi
Synonyms Clarionia runcinata Perezia wrightii
Name authority (D. Don) B. L. Turner: Phytologia 38: 460. (1978) (A. Gray) Reveal & R. M. King: Phytologia 27: 232. (1973)
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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