Ipomoea costellata Torr.  
Family: Convolvulaceae
crestrib morning-glory,  more...
Ipomoea costellata image
Max Licher  
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
Ipomoea costellata image
Liz Makings  
Ipomoea costellata image
Max Licher  
Ipomoea costellata image
Frankie Coburn  
Ipomoea costellata image
Max Licher  
More Images        Web Links       View Parent Taxon       Close window