Flora of North America species comparison

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Evolvulus sericeus

Evolvulus alsinoides

silky evolvulus, silver dwarf morning-glory

ojo de víbora, slender dwarf morning-glory
Habit Perennials or subshrubs; herbage hairy, hairs appressed to ± spreading. Perennials; herbage loosely hairy to glabrate, hairs erect to spreading.
Stems

ascending or procumbent, 10–30 cm.

usually ascending, rarely procumbent, 6–50 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.

blade elliptic, lanceolate, oblong, or ovate, 8–22 × 3.5–11 mm.
Inflorescences

flowers solitary;

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

2-flowered or flowers solitary;

peduncles plus pedicels filiform, (12–)25–50+ 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 lanceolate, 2–2.5 mm, abaxially glabrous or pilose;

corolla pale blue or white, rotate, limb (5–)7–10 mm diam. 2n = 26 (Asia).

Evolvulus sericeus

Evolvulus alsinoides
Phenology Flowering Apr–Oct. Flowering Feb–Dec.
Habitat Oak woodlands, desert grass­lands, plains, savannas, pinelands, chaparral. Pine-oak woodlands, saguaro desert scrub, desert grasslands, disturbed sites, xeric and rocky sites.
Elevation 0–1900 m. (0–6200 ft.) 0–1900 m. (0–6200 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
AL; AZ; FL; NM; TX; Mexico; Central America; South America
[WildflowerSearch map]
[BONAP county map]
Discussion

Presence of Evolvulus alsinoides was reported for Alabama by C. T. Mohr (1901). Its presence in Missouri has not been confirmed.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
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. arenarius, E. arizonicus, E. convolvuloides, E. grisebachii, E. nuttallianus, E. sericeus
Synonyms E. macilentus Convolvulus alsinoides, E. alsinoides var. angustifolius, E. alsinoides var. grisebachianus, E. alsinoides var. hirticaulis
Name authority Swartz: Prodr., 55. (1788) (Linnaeus) Linnaeus: Sp. Pl. ed. 2, 1: 392. (1762)
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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