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Evolvulus arizonicus A. Gray  
Family: Convolvulaceae
wild dwarf morning-glory
[Evolvulus arizonicus var. laetus (A. Gray) Ooststr., moreEvolvulus laetus A. Gray]
Evolvulus arizonicus image
Max Licher  
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JANAS 30(2)
Plant: Perennial herb; densely appressed-pilose to almost woolly tomentose throughout; stems few to many, arising from woody base, erect to ascending or decumbent, 10-30(-45) cm tall Leaves: lanceolate to linear-lanceolate, 10-25(-35) mm long, 2.5-6(-14) mm wide, gradually decreasing in size toward apex, the upper leaves linear, acute or obtuse apically, attenuate basally; petioles absent or short INFLORESCENCE: 1-3-flowered cymes, on slender peduncles usually as long as or longer than the leaves Flowers: on pedicels 3-4(-8) mm long, reflexed in fruit; bracteoles linear-subulate, 1.5-3 mm long; sepals equal, lanceolate, acuminate, 3-3.5 mm long; corollas blue or blue with white stripes, rotate to broadly campanulate, (10-)12-22 mm wide; filaments inserted near base, 1.5-2 times as long as the linear anthers; ovary glabrous Fruit: FRUITS globose, 3.5-4 mm long. SEEDS 2-4, 1-1.25 mm long, tan to brown, glabrous Misc: Disturbed sites, often rocky; 900-1850 m (2900-6000 ft); Apr-Oct Notes: Corolla rotate and light blue in color. References: Austin, Daniel F. 1998. J. Ariz. - Nev. Acad. Sci. Convolvulaceae 30(2): 61. Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans
Austin 1998
Duration: Perennial Nativity: Native Lifeform: Forb/Herb General: Suffrutescent herbs, densely appressed-pilose to almost woolly tomentose throughout; few to many stems from a woody base, erect to ascending or decumbent, 10-30 cm tall. Leaves: Lanceolate to linear-lanceolate, 10-25 mm long, 2.5-6 mm wide, gradually decreasing in size toward apex, the upper leaves linear, acute or obtuse apically, attenuate basally, petioles absent or short. Flowers: 1-3 flowered cymes on slender peduncles as long as or longer than leaves; flowers on pedicels 3-4 mm long, reflexed in fruit, bracteoles linear-subulate, 1.5-3 mm long; sepals equal, lanceolate, acuminate, 3-3.5 mm long, corollas blue or blue with white stripes, rotate to broadly campanulate, 12-22 mm wide, filaments inserted near base, 1.5-2 times as long as the linear anthers; glabrous ovary. Fruits: Globose fruit, 3.5-4 mm long. Ecology: Found in disturbed, often rocky sites; 3,000-6,000 ft (914-1829 m); flowers April-October. Distribution: AZ, NM; south to n MEX. Notes: Our Evolvulus species are often low-growing, have alternate, usually linear to ovate, entire leaves; blue, white or purple flowers often the shape shallow bells or funnels (salverform, rotate, funnelform) that arise from axils; and capsules. E. arizonicus is a perennial with many branching stems (not as nest-like as alsinoides); dense, long, appressed silver hairs all over; stems below flowers (peduncles) which are longer than subtending leaves (shorter to absent in nuttalianus and sericeus) blue flowers 12-20 mm wide, obviously larger than E. alsinoides (5-10mm). Ethnobotany: Unknown Etymology: Evolvulus comes from the Latin evolvo, meaning to unroll, while arizonicus refers to being from Arizona. Synonyms: Evolvulus arizonicus var. laetus, Evolvulus laetus Editor: SBuckley 2010, FSCoburn 2015
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Evolvulus arizonicus
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Evolvulus arizonicus image
Anthony Mendoza  
Evolvulus arizonicus image
Max Licher  
Evolvulus arizonicus image
Max Licher  
Evolvulus arizonicus image
Liz Makings  
Evolvulus arizonicus image
Liz Makings  
Evolvulus arizonicus image
Patrick Alexander  
Evolvulus arizonicus image
Patrick Alexander  
Evolvulus arizonicus image
Anthony Mendoza  
Evolvulus arizonicus image
Liz Makings  
Evolvulus arizonicus image
Evolvulus arizonicus image
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