Alocasia
publication ID |
https://doi.org/ 10.11646/phytotaxa.436.2.1 |
DOI |
https://doi.org/10.5281/zenodo.5752609 |
persistent identifier |
https://treatment.plazi.org/id/03809958-0F7C-7A29-AB80-B44EFA4AFBD5 |
treatment provided by |
Felipe |
scientific name |
Alocasia |
status |
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Key to species of Alocasia View in CoL occurring in China
1. Plants massive, pachycaul, at least 1 m tall........................................................................................................................................2
– Plants not as above, or if taller than 1 m then never massive.............................................................................................................5
2(1). Sinus between posterior leaves naked ......................................................... A. macrorrhizos ( Linnaeus 1753: 965) Don (1839: 631) View in CoL
– Sinus between posterior leaves peltate ...............................................................................................................................................3
3(2). Plants lacking stolons; spathe deep yellow ........................................................................ A. navicularis Koch & Bouché (1855: 2) View in CoL
– Plants with short stolons at base of main stems, these stolons with tubercles at tips; spathe greenish white....................................4
4(3). Petiole to 150 cm; leaf blade ca. 130 × 100 cm; appendix conic, 3.0–5.5 × 1–2 cm ............................................................. A. odora View in CoL
– Petiole 28–30 cm; leaf blade ca. 25 × 13 cm; appendix narrowly conic, ca. 1.1 × 0.3–0.4 cm ........................................................... .......................................................................................................................................................... A. hainanica Brown (1903: 183) View in CoL
5(1). Plants always seasonally dormant; petiole green; stolons long; spathe purple-pink, not constricted ................................................6
– Plants rarely seasonally dormant, if so then petiole mottled; never with long stolons; spathe white, constricted.............................7
6(5). Leaf blade triangular-sagittate; lateral veins feeble; stolons tipped with tubercles; appendix white, elongate-conic; stigma pale green ................................................................................................................................................................................... A. hypnosa View in CoL
– Leaf blade not peltate; lateral veins conspicuous; stolons without tubercle terminally; appendix milky-yellow, oblong-conic; stigma purple-black...................................................................................................................................................................... A. ligengiae
7(5). Stems stoutly erect and basally much branched; leaf blade broadly ovate; only known from areas of human disturbance................ ....................................................................................................................... A. cucullata Schott View in CoL in Schott & Endlicher (1854: 410)
– Stems weakly erect to decumbent, not branching basally; leaf blade various but never broadly ovate; plants of natural forest ........ ............................................................................................................................................................................................................8
8(7). Petiole purple-brown to pink to green, strikingly obliquely mottled chocolate-brown; leaf blade pendent; stigmas conspicuously lobed ................................................................................................................................................. A. longiloba Miquel (1855: 207) View in CoL
– Petiole green; leaf blade spreading; stigmas not conspicuously lobed................................................................................................. ..................................................................................... A. acuminata ( Persoon 1807: 575) Schott View in CoL in Schott & Endlicher (1832: 18).
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