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Key to Heliotropiaceae

Heliotropiaceae

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1 Plant a woody vine; corolla lobes subulate
1 Plant an herb or shrub; corolla lobes rounded.
  2 Plant a shrub; leaves spatulate, densely silky tomentose
  2 Plant an herb or shrub; leaves various but not as above.
    3 Stigmatic apex pubescent; anthers apically coherent; calyx lobed 1/3-1/2 to base; embryo curved
    3 Stigmatic apex glabrous; anthers rarely coherent apically; calyx lobed > 3/4 to base; embryo straight