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FOC | Family List | FOC Vol. 5 | Molluginaceae

3. Mollugo Linnaeus, Sp. Pl. 1: 89. 1753.

粟米草属 su mi cao shu

Herbs annual or perennial, glabrous. Stems diffuse, decumbent, or erect, branched or not, sometimes absent. Leaves in a basal rosette, pseudoverticillate, opposite, or whorled, ± sessile, margin entire. Inflorescences terminal or seemingly leaf-opposed cymes or umbels. Flowers pedicellate. Tepals 5, rarely 4, free, herbaceous, often with transparent scarious margins. Stamens usually 3(-5), rarely more (6-10). Carpels 3(-5), connate; ovary superior, ovoid or ellipsoid, 3(-5)-loculed, each locule with many ovules on axile placenta. Styles 3(-5), linear. Capsule globose, membranous, 3(-5)-valved, loculicidal, with persistent tepals. Seeds numerous, reniform or D-shaped, smooth, sculptured, or raphe ribbed, without filiform arils or caruncles; embryo annular.

About 35 species: mostly in tropical and subtropical regions, extending into warm-temperate regions of Europe, E Asia, and North America; four species in China.

1 Plant stemless; inflorescences arising from a rosette of persistent basal leaves.   1 M. nudicaulis
+ Plant with leafy stem; inflorescences terminal or seemingly axillary, basal leaves usually soon drying up.   (2)
2 (1) Plant 7-8 cm; leaves linear; seeds D-shaped, reticulate.   2 M. cerviana
+ Plant 10-30 cm; leaves not linear; seeds reniform, smooth or tuberculate.   (3)
3 (2) Stem leaves lanceolate or linear-lanceolate; inflorescence a terminal cyme appearing leaf-opposed; seeds tuberculate.   3 M. stricta
+ Stem leaves oblanceolate or linear-oblanceolate; inflorescence seemingly an axillary umbellate cluster; seeds smooth.   4 M. verticillata

Lower Taxa


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