tall morning-glory, more...
[Convolvulus purpureus L., more]
Plant: Annual twining vine, loosely pubescent to tomentose with short, appressed retrorse trichomes, and often with large spreading trichomes which may reach 4 mm long; stems twining, branched to simple Leaves: ovate, entire to 5-lobed, 1-11 cm long, 1-12 cm wide, the base cordate, the apex acute to acuminate, rarely obtuse, mucronate, the petioles 1-14 cm long INFLORESCENCE: (1-)2-5-flowered cymes; bracts linear to lanceolate, 1.3-9 mm long Flowers: pedicels 5-16 mm long, erect in flower, reflexed and enlarged in fruit, reaching 25 mm long; bracteoles similar to bracts, 4.5 mm long; sepals 8-15 mm long, the outer sepals narrowly ovate-lanceolate to elliptic, (1.5-)2.5-4.5 mm wide, acute to abruptly acuminate apically, more pubescent near base, the inner sepals ovate-lanceolate, 2.5-3 mm wide, acute to abruptly acuminate; corollas funnelform, 2.5-4.3(-5) cm long, blue (white to purple in cultivated plants), white within the tube, glabrous, the limb 2.4-4.8(-7) cm wide; stamens 8-10(-14) mm long, the anthers 1.5-2(-3) mm long; ovary ovoid to conic, 1.5-2 mm long, 3-locular, glabrous; style 14-22(-30) mm long; stigmas 3, globose Fruit: FRUITS globose to ovoid, 7-8(-10) mm wide, 6-valvate, the apiculum 2-4 mm long. SEEDS 3-6, 4-5 mm long, ovoid, black to dark brown, finely tomentose Misc: Disturbed sites and in cultivation; 300-2300 m (1000-7500 ft); Jul-Nov REFERENCES: Austin, Daniel F. 1998. J. Ariz. – Nev. Acad. Sci. Convolvulaceae 30(2): 61.