Nov. Gen. Sp. 5(fol.): 114; 5(qto.): 147; plates 446–449. 1822
Etymology: Greek byrsa, leather, alluding to use of bark of some species in tanning meaning of suffix obscure
Treatment appears in FNA Volume 12. Treatment on page 357. Mentioned on page 355, 356, 436.
Shrubs or trees [subshrubs]. Leaves eglandular; stipules intrapetiolar, distinct or partially [completely] connate. Inflorescences terminal, racemes [sometimes racemes of few-flowered cincinni]. Pedicels sessile [raised on short peduncles]. Flowers all chasmogamous, 6+ mm diam., showy with visible petals, stamens, and styles; calyx glands [0 or] 10 (sepals all 2-glandular); corollas bilaterally symmetric, petals white or pink, becoming red in age [light or medium yellow or red], glabrous [rarely hairy]; stamens 10, all fertile; anthers subequal; pistil 3-carpellate, carpels completely connate in ovary; styles 3, subulate, slender; stigmas terminal [slightly internal], minute. Fruits drupes, yellow or brownish [orange, red, purple, blue, or blue-black], stone 1, 3-locular, wall hard, smooth or rugose. x = 12.
Fla., Mexico, West Indies, Central America, South America.
Species ca. 135 (1 in the flora).