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Ipomoea costellata

Ipomoea costellata Torr.  
Family: Convolvulaceae
Crest-Rib Morning-Glory, more...crestrib morning-glory, Morning-glory, crestrib morningglory (es: trompillo)
[Convolvulus digitatus, moreConvolvulus pedatus , Ipomoea futilis , Ipomoea pusilla]
Ipomoea costellata image
Max Licher
  • VPAP
  • SW Field Guide
  • Resources
JANAS 30(2)
Plant: Annual twining vine; from slender taproots; stems erect at first, in age trailing or twining at tips Leaves: sessile or on petioles 1-3 cm long, deeply palmately dissected, the segments 5-9, linear, linear-lanceolate to oblanceolate, 7-25 mm long INFLORESCENCE: of mostly solitary flowers on peduncles 1-3(-7) cm long; bracts subulate, to 1 mm long Flowers: on pedicels 15-25 mm long, erect in fruit; sepals oblong-lanceolate, acute, mucronulate, scarious-margined, the outer sepals 3-5 mm long, 1-2 mm wide, the inner sepals 4-6 mm long, 2-3 mm wide, at least the inner sepals slightly rugose along the veins; corollas pale lavender to pink, 1-1.2 cm long; stamens 3-5 mm long, with white trichomes along filaments, the anthers 1 mm long; ovary ovoid, 1 mm long, 2-locular, cream, glabrous; styles 4 mm long, green Fruit: FRUITS tan, globose to ellipsoid-globose, 4-5 mm wide, the caducous apiculum 1-2 mm long. SEEDS 3-4, 3 mm long, ovoid, black, glabrous Misc: Rocky sites in chaparral, oak woodland and ponderosa pine zones; 1000-2150 m (3200-7000 ft); Jul-Oct Notes: Leaves divided into 5-9 narrow linear-oblanceolate segments.Capsule is tan in color.Corolla funnelform. Stems twining or spreading-ascending. References: Austin, Daniel F. 1998. J. Ariz. - Nev. Acad. Sci. Convolvulaceae 30(2): 61. Kearney & Peebles; Arizona Flora. ASU specimans
VPAP (Austin 1998), Correll and Johnston 1970, Allred and Ivey 2012
Duration: Annual Nativity: Native Lifeform: Vine General: Annual herb, 10-120 cm or more long, from a slender taproot; stems slender, erect when young and later trailing and slightly twining, with several low longitudinal ridges; herbage mostly glabrorus. Leaves: Alternate along the stems, sessile or nearly so; blades deeply incised into 5-9 linear to oblanceolate segments (the outer of which may be further divided), the segments 7-35 mm long and 1-3 mm wide. Flowers: Small but showy and pinkish, solitary (occasionally in pairs) in leaf axils on flower stalks 2-5 cm long; sepals 5, somewhat unequal, 3-6 mm long, oblong to lanceolate, with membranous margins; corolla funnel-shaped, 8-12 mm long, pink to lavender to white. Fruits: Capsules globose, 4-6 mm wide, tan-colored, on erect stalks; containing 1 to several seeds. Ecology: Found in rocky areas in chaparral, oak woodlands, and ponderosa pine forests; 3,000-7,000 ft (914-2134 m); flowers July-October. Distribution: AZ, NM, TX; south to s MEX. Notes: Distinguished from other regional Ipomoea by being hairless on leaves and stems; a growth form more low-growing and less robust than some of the larger morning glories; leaves deeply palmately dissected into thin, narrow divisions; a long peduncle (flower stalk); hairless sepals, and small pink corolla tubes that are about 1 cm long. Ethnobotany: Unknown Etymology: Ipomoea comes from Greek ips, a worm and homoios, like, referring to plant's vining growth form; costellata comes from costa, Latin for ribbed, referring to the stems. Synonyms: Ipomoea costellata var. costellata Editor: SBuckley 2010, FSCoburn 2015, AHazelton 2017
Ipomoea costellata
Open Interactive Map
Ipomoea costellata image
Liz Makings
Ipomoea costellata image
Max Licher
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Frankie Coburn
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Liz Makings
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Max Licher
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Stephen Hale
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Stephen Hale
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Stephen Hale
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Stephen Hale
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Stephen Hale
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Cecelia Alexander
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Cecelia Alexander
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Cecelia Alexander
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Cecelia Alexander
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Cecelia Alexander
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Frankie Coburn
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Frankie Coburn
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Sue Carnahan
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Sue Carnahan
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Jillian Cowles
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Jack Dash
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Jack Dash
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Jack Dash
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S. F. Hale
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Zachery Berry
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Sue Carnahan
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Julia Fonseca
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Jack Dash
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Jack Dash
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Jack Dash
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Zachery Berry
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Muriel M. Norman
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University of Florida Herbarium
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Muriel M. Norman
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Muriel M. Norman
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Muriel M. Norman
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