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FOC | Family List | FOC Vol. 4 | Myricaceae

1. Myrica Linnaeus, Sp. Pl. 2: 1024. 1753.

杨梅属 yang mei shu

Morella Loureiro.

Trees or shrubs evergreen or deciduous, dioecious or monoecious, with resinous, peltate glands in young parts. Leaves simple, often aggregated at apex of shoot, margin entire or serrate; stipules absent. Flowering precocious or coetaneous. Inflorescences spicate, simple or paniculate. Male flowers with 2-8(-20) stamens; filaments free or united at base, with bracteoles or not. Female flowers with 2-4 bracteoles adnate to ovary and enlarged, or free and not enlarged; ovary with resinous glands; style short, with 2 relatively long stigmatic branches. Fruit a drupe, often with headlike, wax-covered papillae; endocarp hard. Seeds erect, with membranous testa.

About 50 species: nearly worldwide except for some warm temperate parts of Old World and Australia; four species (two endemic) in China.

1 Branchlets and petioles tomentose; drupes ellipsoid; fl. Aug-Feb, fr. Feb-May.   (2)
+ Branchlets and petioles glabrous or sparsely pubescent; drupes globose; fl. Feb-Apr, fr. Apr-Jul.   (3)
2 (1) Trees (2-)4-10 m tall; male inflorescences branched, 4-9 cm; fruit many per infructescence; leaves 4-18 cm   1 Myrica esculenta
+ Shrubs 1-3 m tall; male spikes nearly simple, 1-2 cm; fruit 1 per infructescence; leaves 1.5-7 cm   2 Myrica adenophora
3 (1) Trees 4-15 m tall; leaves 5-14 cm; male flowers with 2-4 bracteoles; female flowers with 4 bracteoles   3 Myrica rubra
+ Shrubs 0.5-3 m tall; leaves 2.5-8 cm; male flowers with 0-2 bracteoles; female flowers with 2 bracteoles   4 Myrica nana

Lower Taxa


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