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Arisaema Mart. in Flora. 14: 459. 1831. Hook. f., Fl. Brit. Ind. 6: 497. 1893; Collett, Fl Siml. 539. 1902; Bailey, Stand. Cycl. Hort. 1: 391. 1914; Kuzeneva in Komarov, Fl. URSS. 3: 490. 1935; Mitra, Flow. Pl.E. India, 1: 80. 1958; Riedl in Rech. f., Fl. Iran. 1: 7. 1965; Cooke, Fl. Pres. Bomb. ed. 2, 3: 331. 1967; Hara in Univ. Mus. Univ. Tokyo Bull. 2: 321-354.1971.
Paradioecious or monoecious herbs with usually tuberous roots. Stem sheathing. Leaves digitately compound, sometimes pedate. Spathe finally deciduous, the spadix included or excluded. Male flowers with 2-5 stamens; anthers bilocular. Female flower with a unilocular ovary and 2 or more basal ovules; style short or absent. Berry few-seeded, red. Seeds globose to ovoid.
C.150 species, in Asia, tropical Africa, N. America to Mexico. Represented in Pakistan by 6 species.
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| 1 |
Leaves perforated |
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Arisaema pertusum |
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Leaves not perforated |
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(2) |
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| 2 (1) |
Leaflets 3, suborbicular, rhombic or rhombic ovate. Spathe brown purple (with white stripes) |
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(3) |
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Leaflets 5-14, elliptic-ovate to lanceolate or linear-lanceolate. Spathe green or greenish yellow |
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(4) |
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| 3 (2) |
Spathe limb 4-8.5 cm broad, obovate. Peduncle present below the foliage |
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Arisaema utile |
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Spathe limb narrower, ovate to oblong, 3-4 cm broad. Peduncle sometimes longer than the foliage |
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Arisaema propinquum |
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| 4 (2) |
Plants monoecious or paradioecious. Leaves pedate, leaflets 7-14. Spathe tube shorter than the limb |
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(5) |
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Plants paradioecious. Leaves not pedate; leaflets 5-7. Spathe tube longer than the limb |
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Arisaema jacquemontii |
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| 5 (4) |
Leaflets linear-lanceolate. Spathe tube cylindric, 2.3-4.5 cm long; spadix appendage 8-11 cm long, curved upwards and beyond the spathe |
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Arisaema tortuosum |
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Leaflets elliptic-ovate to lanceolate. Spathe tube ovoid, 1-2 cm long; spadix appendage 1.5 cm long, erect, included |
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Arisaema flavum |
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Lower Taxa
Related Synonym(s):
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