中文名（Chinese Name）：藤三七
学名（Scientific Name）：Anredera cordifolia (Ten.) Steenis
英文名（English Common Name）：heartleaf madeiravine
别名（Chinese Common Name）：落葵薯
异名（Synonym）：Boussingaultia gracilis f. pseudobaselloides Hauman；Boussingaultia gracilis Miers；Boussingaultia gracilis var. pseudobaselloides (Hauman) Bailey；Boussingaultia cordata Spreng.；Anredera cordifolia subsp. gracilis (Miers) Xifreda & Argimón
科属（Family & Genus）：落葵科（Basellaceae）落葵薯属
形态特征（Description）：缠绕藤本，长可达数米。根状茎粗壮。叶具短柄，叶片卵形至近圆形，长2-6厘米，宽1.5-5.5厘米，顶端急尖，基部圆形或心形，稍肉质，腋生小块茎（珠芽）。总状花序具多花，花序轴纤细，下垂，长7-25厘米；苞片狭，不超过花梗长度，宿存；花梗长2-3毫米，花托顶端杯状，花常由此脱落；下面1对小苞片宿存，宽三角形，急尖，透明，上面1对小苞片淡绿色，比花被短，宽椭圆形至近圆形；花直径约5毫米；花被片白色，渐变黑，开花时张开，卵形、长圆形至椭圆形，顶端钝圆，长约3毫米，宽约2毫米；雄蕊白色，花丝顶端在芽中反折，开花时伸出花外；花柱白色，分裂成3个柱头臂，每臂具1棍棒状或宽椭圆形柱头。果实、种子未见。花期6-10月。
分布（Distribution）：产南美热带地区，我国南方有栽培。
用途（Use）：珠芽、叶及根供药用，有滋补、壮腰膝、消肿散瘀的功效；叶拔疮毒。
引自中国植物志英文版FOC Vol. 5 Page 446
Anredera cordifolia (Tenore) Steenis, Fl. Malesiana, Ser. 1, Spermatoph. 5(3): 303. 1957.
落葵薯 luo kui shu | Basellaceae  | Anredera
Boussingaultia cordifolia Tenore in Ann. Sci. Nat., Bot. sér. 3, 19: 355. 1853; B. gracilis Miers; B. gracilis f. pseudobaselloides Hauman; B. gracilis var. pseudobaselloides (Hauman) Bailey.
Vines twining, with thick, hardy rhizome. Leaves shortly petiolate; leaf blade ovate to subcordate, 2-6 × 0.5-5.5 cm, thinly fleshy, base rounded or cordate, apex acute, producing small axillary tubercles (bulbils). Racemes many flowered; rachis pendent, thin, 7-25 cm. Bracts not longer than pedicel, narrow, persistent. Pedicel 2-3 mm, receptacular tip cupular, flowers shed from here. Lower bracteoles broadly triangular, hyaline, apex acute, persistent; upper bracteoles greenish white, flattened, orbicular to broadly elliptic, shorter than perianth. Flowers ca. 5 mm in diam., fragrant. Perianth white, inflexed, patent in anthesis; segments ovate or oblong to elliptic, 3 × 2 mm, apex blunt. Stamens white; filaments reflexed at apex in bud, spreading in anthesis. Style white, split to 3 stigmatic arms, each with 1 club-shaped or broadly elliptic stigma. Utricle and seed not seen. Fl. Jun-Oct.
Cultivated. Beijing, Fujian, Guangdong, Hainan, Jiangsu, Sichuan, Yunnan, Zhejiang [native to South America].
The plants are not known to produce seeds, but are propagated vegetatively by the axillary bulbils. The bulbils, leaves, and roots are used medicinally.
（责任编辑：徐晔春）