Flora of the Hawaiian Islands
Literature for Heliotropium procumbens
Wagner et al., 1990, 1999. Literature for Heliotropium procumbens var. depressum
Wagner et al., 1990, 1999.
   Heliotropiaceae Bibliography
      Heliotropium procumbens
General Information
DistributionNative from southern United States south to Central and South America and the West Indies.
Pale green to gray, erect to decumbent perennial herbs 1-5 dm tall, moderately to densely appressed pubescent; stems 1 to several from base, usually branched above.
Leaves numerous, linear-lanceolate, narrowly oblanceolate to elliptic, flat, sometimes revolute, 1-4 cm long, 0.2-1 cm wide, apex acute or short-acuminate, gradually narrowed toward the base.
Flowers in clusters of 1-4 elongate, open, bracteate, scorpioid cymes 2.5-10 cm long, peduncles 0.5-3 cm long; calyx deeply divided, the lobes unequal, linear to lanceolate, at anthesis 1-1.2 mm long, at maturity nearly doubling in size and becoming progressively more unequal; corolla white, 1.5-3 mm long, the tube sparsely strigose externally.
Nutlets 4, 1-seeded, ovoid, 1-2 mm long, densely strigose.
2n = 14