Flora of North America species comparison

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Evolvulus alsinoides

Evolvulus sericeus

ojo de víbora, slender dwarf morning-glory

silky evolvulus, silver dwarf morning-glory
Habit Perennials; herbage loosely hairy to glabrate, hairs erect to spreading. Perennials or subshrubs; herbage hairy, hairs appressed to ± spreading.
Stems

usually ascending, rarely procumbent, 6–50 cm.

ascending or procumbent, 10–30 cm.
Leaves

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

distichous, distals ± spreading;

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

2-flowered or flowers solitary;

peduncles plus pedicels filiform, (12–)25–50+ mm.

flowers solitary;

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

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).

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).

Evolvulus alsinoides

Evolvulus sericeus
Phenology Flowering Feb–Dec. Flowering Apr–Oct.
Habitat Pine-oak woodlands, saguaro desert scrub, desert grasslands, disturbed sites, xeric and rocky sites. Oak woodlands, desert grass­lands, plains, savannas, pinelands, chaparral.
Elevation 0–1900 m. (0–6200 ft.) 0–1900 m. (0–6200 ft.)
Distribution
from FNA
AL; AZ; FL; NM; TX; Mexico; Central America; South America
[WildflowerSearch map]
[BONAP county map]
from FNA
AR; AZ; FL; GA; LA; NM; TN; TX; Mexico; Central America; South America; West Indies
[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. arenarius, E. arizonicus, E. convolvuloides, E. grisebachii, E. nuttallianus, E. sericeus
E. alsinoides, E. arenarius, E. arizonicus, E. convolvuloides, E. grisebachii, E. nuttallianus
Synonyms Convolvulus alsinoides, E. alsinoides var. angustifolius, E. alsinoides var. grisebachianus, E. alsinoides var. hirticaulis E. macilentus
Name authority (Linnaeus) Linnaeus: Sp. Pl. ed. 2, 1: 392. (1762) Swartz: Prodr., 55. (1788)
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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