1. Clusia Linnaeus, Sp. Pl. 1: 509. 1753; Gen. Pl. ed. 5, 225. 1754.
Balsam- or monkey-apple [For Charles l’Écluse, 1525–1609, Flemish botanist] Balsam- or monkey-apple [For Charles l’Écluse, 1525–1609, Flemish botanist]
Shrubs or trees [lianas], sometimes epiphytic or epilithic with adventitious roots, sometimes polygamodioecious, sap yellowish [white]. Stems terete [4-lined]. Leaves petiolate [sessile]; petiole planoconvex to terete; blade leathery or fleshy, margins sometimes revolute, venation pinnate, glandular canals crossing veins. Inflorescences 1–3-flowered; bracts 2–6. Flowers stellate or cupuliform; sepals 4[–6], margins entire, glands linear, often obscure; petals [4–]6(–8)[–10], imbricate or decussate, white, turning pink to brown [red, yellow], margins entire, glands linear, laminar; [staminate flowers: stamens distinct or connate, pistillodes present or absent]; bisexual or pistillate flowers sometimes with ring of ± connate stamens or staminodes or sterile annulus; stigmas radiating. Capsules [4–]6–9(–12)-valved, leathery or fleshy. Seeds: aril red, basal or ± enveloping seed.
Species 150+ (1 in the flora): Florida, Mexico, West Indies, Central America, South America.
A report of Clusia flava Jacquin from the Florida Keys (J. K. Small 1913c) was apparently erroneous.