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18. Holosteum Linnaeus, Sp. Pl. 1: 88. 1753.
硬骨草属 ying gu cao shu
Lu Dequan; Richard K. Rabeler
Herbs annual. Stems ascending to erect. Leaves oblanceolate to elliptic; stipules absent. Inflorescences terminal, umbellate; bracts immediately subtending calyx absent. Sepals 5. Petals 5, irregularly toothed. Stamens 3--5(or 8--10). Ovary 1-loculed; ovules numerous; styles 3(4 or 5). Capsule cylindric, opening by 6(or 8 or 10) revolute teeth. Seeds numerous, dorsiventrally compressed, rugulose; embryo straight.
About four species: Europe and Mediterranean region to C Asia; one species in China.
Lower Taxon
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