Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Prostrate annual herb with diffusely branched stems 2-40 cm, glandular-viscid herbage. Leaves: Linear, elliptic, or oblong-oblanceolate, 4-18 mm long, 1-4.5 mm wide, narrowed to short petiole or nearly sessile, 1 nerved, acute to rounded at apex, margins entire to slightly undulate. Flowers: Solitary in axils on slender pedicels, 2-5 mm long at anthesis, calyx lobes linear-spatulate to linear-lanceolate, .5-1 mm wide, 2-3 mm long in flower, 5-8 mm long in fruit, cup 1-2 mm deep, funnelform corolla 5-7 mm long, pale blue to purplish, often paler to nearly white on one side, lobes rounded but apiculate, more or less spreading. Fruits: Capsule broadly ovoid, 3-4 mm long, firm, yellowish or whitish, glabrous. Ecology: Found on sandy flats, arroyos, sand bars and stream banks from 500-,5000 ft (152-1524 m); flowers December-September, although it flowers sporadically the rest of the year. Notes: Relative of the showy cultivated petunias. Ethnobotany: Unknown Etymology: Calibrachoa is named for Mexican botanist Antonio de la Cal y Bracho (1766-1833) while parviflora means small flowered. Synonyms: Petunia parviflora Editor: SBuckley, 2010
Prostrate, diffusely branched annual; lvs fleshy, spatulate or oblanceolate, 1-2 cm נ1-4 mm; cor blue, 6-8 mm, scarcely surpassing the oblanceolate foliaceous sep; 2n=18. Mainly subtropical in both N. and S. Amer., and occasionally n. into our range as a waif.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.