Caryocar
(from karyon, a nut; the large fruits contain edible nuts). Butter Nut. SYN. Rhizobolus. ORD. Ternstroemiaceae. Large stove trees, of easy cultivation in loamy soil. Ripened cuttings will root in sand, under a hand glass, in heat. There are about eight species, all tropical American; the only one calling for mention here is C. nuciferum.
C. nuciferum (nut-bearing). Souari or Butter Nut. fl. racemose; calyx and corolla purple; stamens white, numerous; anthers yellow. Drupe 5in. to 6in. in diameter, four-celled, each cell containing one nut, embedded in white pulp; shell very hard, tubercled; kernel or seed edible, covered by a red-brown membrane, internally pure white, soft, fleshy, and rather oily, of a very agreeable flavour. l. trifoliolate; leaflets elliptical-lanceolate, obscurely serrated, smooth. h. 100ft. 1825. (B. M. 2727.)