HBITOArbustos o rboles. Resina lechosa.

HOJASAlternas, simples, enteras, coriceas, espiraladas, en ocasiones fasciculadas en la parte apical de las ramas. Tricomas en forma de T

INFLORESCENCIA Cimas, umbelas, en ocasiones flores solitarias o cualifloras.

FLORPequeas, actinomrficas, hermafroditas.

Cliz: 4-8 spalos, en ocasiones diferenciados entre s.

Corola: 4-8 ptalos, connados, en ocasiones con apndices.

Estambres: 8-16, opuestos o adnados en los ptalos, en series, alternados con estaminodios.

Carpelos: 2 o numerosos, connados.

Ovario: Spero.

Placentacin: Axilar.

SHAPE \* MERGEFORMAT

FRUTOUna baya.

SEMILLAS1 o varias, grandes, con cicatriz del hilo conspicua.

ECOLOGA

DISTRIBUCINEs una familia de rboles tropicales.

IMPORTANCIAManilkara zapota es originaria de Mesoamrica. Produce una resina gomosa a partir de la cual se elabora el chicle. En la poca pre colonial sta resina era mascada por su olor y dulce sabor.

MXICO6 gneros (Villaseor, 2004)

Key to genera of Neotropical Sapotaceae family.1. Calyx of 2 whorls or (2-)3-4 sepals, outer whorl usually valvate; corolla lobes nearly always divided into 3 segments ...................................................................................................... Manilkara1. Calyx a single whorl of 4-6 imbricate or quincuncial sepals, or 6-11 in a closely imbricate spiral; corolla lobes divided into 3 segments or undivided ...........................................................................2

2. Corolla lobes often divided into 3 segments; stamens exserted; staminodes present, well-developed; seed nearly always with basal or basi-ventral scar Sideroxylon 2. Corolla lobes simple; stamens included or exserted; staminodes present, but poorly developed, or absent; seed with adaxial scar (sometimes extending around the base) estipulas ausentes.. 3

3. Staminodes present, as many as the corolla lobes .........................................................................44. Leaves usually alternate and distichous; venation craspedodromous or brochidodromous, often with secondary and tertiary veins closely parallel and leaf appearing finely striate; seed laterally compressed, with endosperm .Micropholis 4. Leaves usually spirally arranged; venation variable, but not closely parallel and leaves never finely striate; seed shape variable, usually without endosperm..................Pouteria3. Staminodes fewer than corolla lobes or absent .............................................................................5

5. Corolla tubular, campanulate or globose, stamens included .........................................................66. Ovary usually 2-locular; embryo with plano-convex cotyledons and included radicle, endosperm absent .Pouteria (Pteniodendron)6. Ovary usually 5-locular; embryo with thin foliaceous cotyledons, radicle exserted, copious endosperm Chrysophyllum

APGIII: SAPOTACEAE Jussieu

SAPOTACEAE