Callirhoë involucrata var. lineariloba

(Torrey & A. Gray) A. Gray

Proc. Acad. Nat. Sci. Philadelphia 14: 161. 1862.

Common names: Cowboy rose
Endemic
Basionym: Malva involucrata var. lineariloba Torrey & A. Gray Fl. N. Amer. 1: 226. 1838
Synonyms: Callirhoë geranioides Small C. involucrata var. parviflora Hochreutiner C. palmata Standley C. sidalceoides
Treatment appears in FNA Volume 6. Treatment on page 244. Mentioned on page 243.

Stems decumbent to weakly erect, 0.5–8 dm. Leaves: stipules 2.5–11.5 × 1.5–7(–9) mm; blade 1–8 × 1–9(–12) cm, sinuses between lobes of cauline leaves extending to within 2–5 mm of petiole. Involucellar bractlets 4.5–10(–13.5) × 0.5–2 mm. Petals reddish purple with white basal spot, white, or mauve with white margins, 1.4–3.5 cm (male sterile 1–2 cm). Mericarps glabrous or hairy, hairs simple. 2n = 28, 30, 60.


Phenology: Flowering late winter–summer, sporadically later.
Habitat: Pine, oak, and oak-hickory woods, prairies, roadsides, other disturbed areas
Elevation: 0–1200 m

Distribution

V6 437-distribution-map.jpg

Colo., Fla., N.Mex., Okla., Tex., Mexico (Coahuila).

Discussion

Variety lineariloba is introduced in Florida.

Selected References

None.

Lower Taxa

None.
Laurence J. Dorr +
(Torrey & A. Gray) A. Gray +
Malva involucrata var. lineariloba +
Cowboy rose +
Colo. +, Fla. +, N.Mex. +, Okla. +, Tex. +  and Mexico (Coahuila). +
0–1200 m +
Pine, oak, and oak-hickory woods, prairies, roadsides, other disturbed areas +
Flowering late winter–summer, sporadically later. +
Proc. Acad. Nat. Sci. Philadelphia +
Callirhoë geranioides +, C. involucrata var. parviflora +, C. palmata +  and C. sidalceoides +
Callirhoë involucrata var. lineariloba +
Callirhoë involucrata +
variety +