中文名（Chinese Name）：瓜栗
学名（Scientific Name）：Pachira aquatica AuBlume
英文名（English Common Name）：水瓜栗
别名（Chinese Common Name）：
异名（Synonym）：Pachira macrocarpa (Cham. et Schlecht.) Walp.;Carolinea macrocarpa Schltdl. et Cham.;Pachira longifolia Hook.;Bombax aquaticum (Aublet) K. Schun.;Bombax macrocarpum (Schlechtendal et Chamisso) K. Schumann;Carolinea princeps L. f.;Bombax rigidifolium Ducke;Carolinea grandiflora (Tussac) Spach;Pachira aquatica var. occidentalis Cuatrec.;Pachira aquatica var. surinamensis Decne.;Pachira grandiflora Tussac;Pachira pustulifera Pittier;Pachira spruceana Decne.;Pachira villosula Pittier;Pachira villulosa Pittier;Sophia carolina L.  
科属（Family & Genus）：木棉科（Bombacaceae）瓜栗属
形态特征（Description）：小乔木，高4-5米，树冠较松散，幼枝栗褐色，无毛。小叶5-11，具短柄或近无柄，长圆形至倒卵状长圆形，渐尖，基部楔形，全缘，上面无毛，背面及叶柄被锈色星状茸毛；中央小叶长13-24厘米，宽4.5-8厘米，外侧小叶渐小；中肋表面平坦，背面强烈隆起，侧脉16-20对，几平伸，至边缘附近连结为一圈波状集合脉，其间网脉细密，均于背面隆起；叶柄长11-15厘米。花单生枝顶叶腋；花梗粗壮，长2厘米，被黄色星状茸毛，脱落；萼杯状，近革质，高1.5厘米，直径1.3厘米，疏被星状柔毛，内面无毛，截平或具3-6枚不明显的浅齿，宿存，基部有2-3枚圆形腺体；花瓣淡黄绿色，狭披针形至线形，长达15厘米，上半部反卷；雄蕊管较短，分裂为多数雄蕊束，每束再分裂为7-10枚细长的花丝，花丝连雄蕊管长13-15厘米，下部黄色，向上变红色，花药狭线形，弧曲，长2-3毫米，横生；花柱长于雄蕊，深红色，柱头小，5浅裂。蒴果近梨形，长9-10厘米，直径4-6厘米，果皮厚，木质，几黄褐色，外面无毛，内面密被长绵毛，开裂，每室种子多数。种子大，不规则的梯状楔形，长2-2.5厘米，宽1-1.5厘米，表皮暗褐色，有白色螺纹，内含多胚。花期5-11月，果先后成熟，种子落地后自然萌发。
分布（Distribution）：产中南美洲及墨西哥南部。
用途（Use）：果皮未熟时可食，种子可炒食。
引自中国植物志英文版FOC Vol. 12 Page 300
Pachira aquatica Aublet, Hist. Pl. Guiane. 2: 726. 1775.
瓜栗 gua li | Bombacaceae  | Pachira
Bombax aquaticum (Aublet) K. Schumann; B. macrocarpum (Schlechtendal & Chamisso) K. Schumann; Carolinea macrocarpa Schlechtendal & Chamisso; C. princeps Linnaeus f., nom. illeg. superfl.; Pachira macrocarpa (Schlechtendal & Chamisso) Walpers.
Small trees 4-5(-18) m tall; young branchlets brown, glabrous. Petiole 11-15 cm, ferruginous stellate tomentose; leaflets 5-11, slightly petiolulate or subsessile, leaflet blade oblong to obovate-oblong, abaxially ferruginous stellate tomentose, adaxially glabrous, base cuneate, margin entire, apex acuminate; central leaflet 13-24 × 4.5-8 cm, size decreasing outward; midrib abaxially prominently raised, adaxially flat, lateral veins 16-20 per side of midrib, straight, connected near margin, veinlets thin and dense, prominently raised abaxially. Flowers solitary, axillary near twig tips. Pedicel robust, ca. 2 cm, yellow stellate tomentose, glabrescent. Calyx cup-shaped, nearly leathery, ca. 1.5 × 1.3 cm in diam., abaxially sparsely stellate pilose, adaxially glabrous, truncate or obscurely 3-6-toothed, persistent, with 2-3 globose glands at base. Petals yellowish green, narrowly lanceolate or filiform, up to 15 cm, distal half reflexed. Staminal tube short, proximally yellow, distally red, 13-15 cm including filaments; anthers 2-3 mm. Style dark red, longer than stamens; stigma minute. Capsule nearly pyriform, 9-10 × 4-6 cm, endocarp yellow-brown, thick, woody, abaxially glabrous, adaxially densely long woolly. Seeds many per cell, dark brown with white spirals, 2-2.5 × 1-1.5 cm. Fl. May-Nov.
Cultivated. Guangdong, Taiwan, S Yunnan [native to tropical America, now cultivated and naturalized throughout the tropics].
The seeds are edible raw or roasted. Bonsai plants of this species are very tolerant of drought and shade and are sold in many countries as houseplants. Such plants usually have braided stems.（责任编辑：徐晔春）