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晴朗干燥的地区，不定。
[[File:匍匐黄细心（Boerhavia repens）是紫茉莉科 黄细心属的一种植物。2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/316187A5C3E47CDC.jpg 原图链接] [http://www.iplant.cn/info/Boerhavia%20repens?t=p 来自植物智]]]
Herbs ephemeral to perennial. Stems prostrate, radiating from taproot, to 50 cm, most parts eglandular-puberulent. Petiole to 1 cm; leaf blade 1-2.5 × 0.4-1.5 cm, abaxially conspicuously pale, base rounded to cuneate, margin entire, apex rounded to subacute. Inflorescences mostly axillary, 2-5-flowered umbels, sometimes gathered into cymes, to 2 cm. Pedicel to 1 mm. Perianth limb white, pink, or pale purple, to 1 mm. Stamens (1 or)2(or 3). Anthocarp clavate, 3-3.5 mm, 5-ribbed, sparsely puberulent, sometimes with ± sessile glands.
Sunny sites in disturbed areas. Fujian, Guangdong [widespread in Africa, America, Asia, etc.].
This species is often confused with Boerhavia diffusa. It can be most readily distinguished by the lack of multicellular hairs along the leaf margins, consistently pedicellate flowers, and much paler perianth. It differs from B. erecta by the very differently shaped fruit. This is a pantropical, ruderal weed, mainly growing in dry areas.
==匍匐黄细心分布范围==