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silky evolvulus, silver dwarf morning-glory

Grisebach's dwarf morning-glory

Habit Perennials or subshrubs; herbage hairy, hairs appressed to ± spreading. Perennials; herbage usually loosely hairy, sometimes glabrescent, hairs appressed to spreading.
Stems

ascending or procumbent, 10–30 cm.

decumbent to prostrate, 5–10(–25) cm.

Leaves

distichous, distals ± spreading;

blade elliptic, lanceolate, oblong, or ovate, 4–25 × 2–10 mm, surfaces: abaxial densely hairy, adaxial sparsely hairy or glabrate.

distichous;

blade usually ovate to broadly ovate, sometimes suborbiculate, 5–8(–10) × 4–7 mm.

Inflorescences

flowers solitary;

peduncles plus pedicels stout, 0–2(–4) mm.

flowers solitary;

peduncles plus pedicels stout, 0–5+ mm.

Flowers

sepals oblong to lanceolate, 3–5 mm;

corolla pale blue, violet, or white, rotate to broadly funnelform, limb 7–12 mm diam. 2n = 26 (Argentina).

sepals narrowly lanceolate, 5–6 mm;

corolla blue with white throat, rotate to campanulate, limb 7–10 mm diam.

Evolvulus sericeus

Evolvulus grisebachii

Phenology Flowering Apr–Oct. Flowering Dec–Mar(–Jun).
Habitat Oak woodlands, desert grass­lands, plains, savannas, pinelands, chaparral. Sandy or limestone pine­lands.
Elevation 0–1900 m. (0–6200 ft.) 0–10 m. (0–0 ft.)
Distribution
from FNA
AR; AZ; FL; GA; LA; NM; TN; TX; Mexico; Central America; South America; West Indies
[WildflowerSearch map]
[BONAP county map]
from FNA
FL; West Indies (Cuba)
[BONAP county map]
Source FNA vol. 14. FNA vol. 14.
Parent taxa Convolvulaceae > Evolvulus Convolvulaceae > Evolvulus
Sibling taxa
E. alsinoides, E. arenarius, E. arizonicus, E. convolvuloides, E. grisebachii, E. nuttallianus
E. alsinoides, E. arenarius, E. arizonicus, E. convolvuloides, E. nuttallianus, E. sericeus
Synonyms E. macilentus E. wrightii
Name authority Swartz: Prodr., 55. (1788) Peter in H. G. A. Engler and K. Prantl: Nat. Pflanzenfam. 68[IV,3a]: 19. (1897)
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