Flora of North America species comparison

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Evolvulus sericeus

Evolvulus arenarius

silky evolvulus, silver dwarf morning-glory

sand plain dwarf morning-glory
Habit Perennials or subshrubs; herbage hairy, hairs appressed to ± spreading. Perennials, rhizomatous; herbage hairy, hairs mostly appressed, 2-armed.
Stems

ascending or procumbent, 10–30 cm.

ascending or procumbent, 10–30+ cm, internodes usually 4+ mm.
Leaves

distichous, distals ± spreading;

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

pentastichous, distals ± antrorse;

blade elliptic to linear, 8–16 × 0.8–1.4 mm, surfaces ± hairy, hairs ± appressed.
Inflorescences

flowers solitary;

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

flowers solitary;

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

outer sepals ovate, 3–4 mm;

corolla lavender, fading yellow, rotate, limb 9–14 mm diam.

Evolvulus sericeus

Evolvulus arenarius
Phenology Flowering Apr–Oct. Flowering May–Sep.
Habitat Oak woodlands, desert grass­lands, plains, savannas, pinelands, chaparral. Sandy places, grasslands, prairies, scrublands.
Elevation 0–1900 m. [0–6200 ft.] 800–1400 m. [2600–4600 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
NM; TX
[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. arizonicus, E. convolvuloides, E. grisebachii, E. nuttallianus, E. sericeus
Synonyms E. macilentus
Name authority Swartz: Prodr., 55. (1788) R. T. Harms: Phytoneuron 2014-20: 1, fig. 1. (2014)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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