Compilation
Batatas edulis

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Name

Identification
Batatas edulis (Thunb.) Choisy [family CONVOLVULACEAE ] (stored under name); Verified by Data not digitized, null Verified by Data not digitized,
Related name
  • Convolvulus batatas
  • `
  • Batatas paniculata
  • Batatas edulis
  • Ipomoea batatas
  • Ipomoea digitata

Flora

Entry for Ipomoea batatas L. Lam. [family CONVOLVULACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 8, Part 1, page 9, (1987) Author: Maria Leonor Gonçalves
Names
Convolvulus batatas L. [family CONVOLVULACEAE], Sp. Pl.: 154 (1753).
Convolvulus edulis Thunb. [family CONVOLVULACEAE], Fl. Japan: 84 (1784). Type from Japan.
Ipomoea batatas L. Lam. [family CONVOLVULACEAE], Tab. Encycl. Meth. Bot. 1: 465 (1793).—Peter in Engl. & Prantl, Pflanzenfam. ed. 1, 4: 3a: 30 (1891).—Hall. f. in Engl., Bot. Jahrb. 18: 138 (1893).—Dammer in Engl., Pflanzenw. Ost-Afr. C: 332 (1895).—Hiern, Cat. Afr. Pl. Welw. 1: 736 (1898).—Baker & Rendle in F.T.A. 4, 2: 175 (1905).—Schinz, in Pl. Menyhart: 69 (1905).—Stuhlmann in Deutsch-Ost-Afr. 10: 246–251 (1909). Gomes e Sousa in Bol. Soc. Est. Mosambiçue 32: 86 (1936).—van Ooststr. in Blumea;3: 512 (1940); in Fl. Males., Ser. 1, 4: 469 (1953).—Macnae & Kalk, Nat. Hist. Inhaca Isl. Moçambique: 152 (1958). Meeuse in Bothalia 6: 746 (1958).—Verdc. in F.T.E.A., Convolvulaceae: 114 (1963).—Heine in F.W.T.A. ed. 2, 2: 350 (1963). TAB. 23. Type from India.
Batatas edulis Thunb. Choisy [family CONVOLVULACEAE], in DC., Prodr. 9: 338 (1845).—Welw., Ann. Conselho Ultramar Apont. Phyto-Georgr.: 551 (1859).—Peters, Reise Mossamb. Bot. 1: 238 (1861). Type as for Convolvulus edulis.
Ipomoea batatas var. cannabina Hall. f. [family CONVOLVULACEAE], in Engl., Bot. Jahrb. 28: 37 (1899). Type from Zanzibar.
Information
Perennial plant herbaceous, with underground, fusiform to ellipsoid, yellow or reddish, edible tubers. Stems prostrate, ascending or rarely twining, often rooting at the nodes, containing a milky juice, glabrous or very slightly pubescent. Leaf lamina triangular to broadly ovate in outline, 4–10×4–13 cm., entire or palmately shallowly to very deeply 3–7-lobed, truncate or cordate at the base; lobes triangular, lanceolate to linear-oblong, glabrous or slightly pubescent; petiole 3·5–15 cm. long, glabrous or hairy. Inflorescence axillary, cymosely 1 to several-flowered; peduncle stout, 3–15 cm. long, glabrous or hairy, bracteoles minute, narrow, acute, 2–3 mm. long, early deciduous; pedicels 3–12 mm. long. Sepals subequal, subcoriaceous, 7–10 mm. long; outer ones oblong or elliptic-oblong; inner ones elliptic-oblong or ovate oblong, somewhat longer, all glabrous or pilose on the back and fimbriate, acute or subacute, distinctly mucronate. Corolla bell-shaped, pale-mauve, white above, 3–4·5 cm. long. Capsule ovoid. Seeds glabrous.
Habitat
Riverine sands and sandy soils. The Sweet Potato is cultivated in areas of moderate rainfall or in wet places.
Range
probably originated in South America, distributed throughout all tropical areas and widely cultivated in all suitable areas in the territories.
Altitude range
0–1525 m
1525
0
Distribution
Mozambique M Maputo, Inhaca Isl., 15 m., fl. 11.vii.1957, Mogg 27356 (K; LMA; SRGH).Mozambique MS Mossurize, Maringa, fl. vi.1973, Bond 20 (SRGH).Malawi C Nkhota Kota, fl. vii.1896, Webb s.n. (BM).Zimbabwe C Harare, 1524 m., fl. v.1918, Eyles 1329 (SRGH).
Distribution (external)
tropical east Africa
Angola
southern Africa

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