Hybanthus verticillatus

(Ortega) Baillon
Hist. Pl. 4: 344. 1873.
Common names: Baby-slippers nodding green-violet
Illustrated
Basionym: Viola verticillata Ortega Nov. Pl. Descr. Dec. 4: 50. 1797
Synonyms: Hybanthus verticillatus var. platyphyllus (A. Gray) Cory & H. B. Parks
Treatment appears in FNA Volume 6. Treatment on page 111. Mentioned on page 109.

Plants subshrubs, perennial, 10–40 cm, from ligneous rhizome. Stems 1–20, clustered, erect, simple or branched from proximal nodes, glabrous or strigose to pilose. Leaves: proximal opposite or subopposite, distal usually alternate, petiolate or sessile; stipules linear-subulate and minute to leaflike, 3–40 mm, glabrous or hirsute, gland-tipped; petiole 0–1 mm; blade linear, narrowly elliptic, lanceolate, or oblanceolate, 1–5.5(–6) × 0.1–0.8(–1.1) cm, base attenuate, margins usually entire, ciliate or eciliate, apex acute to acuminate, surfaces glabrous, strigose, or pilose. Inflorescences 1-flowered; peduncle usually pendant at anthesis, sometimes horizontal or erect, usually pendant in fruit, 3–14 mm, hirsute to densely puberulent, occasionally glabrous on segment distal to joint; bracteoles present. Flowers: sepals appressed to corolla, ovate to lanceolate, margins ciliate or eciliate, apex acute; petals: upper greenish white, cream, or yellowish, with purple tips, oblong, 2–2.5 mm, apex acute to rounded, glabrous; laterals similar to upper except 3 mm; lowest greenish white, cream, or yellowish, sometimes tinged purplish, 2.5–6 mm, claw 2–3 × 0.5 mm, distal limb broadly ovate to orbiculate, ± concave at anthesis, 1–3 mm wide, apex rounded to obtusely angled, adaxial surface usually bearded basally and on claw; presence of cleistogamous flowers not determined. Capsules ovoid to globose, 4–7 mm. Seeds 6, dark brown to shiny black, subglobose, ± flattened with angular edges, or broadly ovoid, 1.8–2.5(–3) mm. 2n = 16, 24, 32.


Phenology: Flowering Apr–Oct.
Habitat: Dry plains, gravelly soil in prairies, mesas, fields, desert grasslands, pinyon-juniper woodlands, chaparral, rocky slopes, forest edges, oak and mesquite savannahs, riparian habitats
Elevation: 10–2100 m

Distribution

V6 192-distribution-map.jpg

Ariz., Colo., Kans., N.Mex., Okla., Tex., Mexico (Chihuahua, Coahuila, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Hybanthus verticillatus"
R. John Little +
(Ortega) Baillon +
Viola verticillata +
Baby-slippers +  and nodding green-violet +
Ariz. +, Colo. +, Kans. +, N.Mex. +, Okla. +, Tex. +, Mexico (Chihuahua +, Coahuila +  and Sonora). +
10–2100 m +
Dry plains, gravelly soil in prairies, mesas, fields, desert grasslands, pinyon-juniper woodlands, chaparral, rocky slopes, forest edges, oak and mesquite savannahs, riparian habitats +
Flowering Apr–Oct. +
Illustrated +
Hybanthus verticillatus var. platyphyllus +
Hybanthus verticillatus +
Hybanthus +
species +