2. Erodium L ‘Herit ex Aiton, Hort. Kew. 2:414. 1789. Boiss., Fl. Or. 1:884.1867; Edgew. & Hook. f. in Hook. f., Fl. Brit. Ind. 1:433.1874; R. Knuth, Geranianceae in Engler, Pflanzenr. 58. (iv. 129): 221.1912; Davis, Fl. Turk. 2:475.1967; Webb & Chater in Tutin et al., Fl. Eur. 2:199.1968; Vvdensky in Schisckin & Bobrov, Fl. URSS. 14:63.1949; Schönbeck-Temesy in Rech.f., Fl. Iran. 39:1970; A. Ghafoor in Jafri & A. El-Gadi, Fl. Libya. 63.1978.
YASIN J. NASIR
Annual or perennial herbs. Leaves lobed or pinnatisect, longer than broad, stipulate. Flowers in cincinnal umbels, rarely solitary or 2. Involucral bracts 2 or more, united or free. Sepals and petals Fertile stamens 5, alternating with 5 staminodes. Ovary 5-lobed, long beaked in fruit. Beak plumose or bristly within on dehiscence. The stylar axis usually spirally twisted below. Mericarps with 2 apical pits.
About 90 species in Europe, Mediterranean region, C. & S.W. Asia, Australia and tropical S. America. Represented in Pakistan by 7 species.
Little Known Species
The following 3 species have been described by Blatter, of which I have not seen any authentic type material.
1. Erodium adenophorum Blatter in J. Bomb. Nat. Hist. Soc. 36:476.1933
Stipules ciliate, peduncle 2-3-flowered, bracts 2-3 with ciliate margin. Sepals 3-5 nerved.
Type: N. Waziristan: C-5 Khajuri Post, in gravel and sand, Blatter & Fernandez 368.
2. Erodium heterosepalum Blatter, l.c. 478.
Stipules ciliate. Pedicel dense retrohispid. Bracts 15, free. Sepals 3-5.
Type: N. Waziristan: C-5 E. of Miramshah fort, right bank of Chasma river, in sand between rocks, 3100, Blatter & Fernandez 201.
3. Erodium nanum Blatter, l.c. 476.
Stemless. Peduncle 2 flowered, bracts few, connate. Sepals 3-nerved.
Type: N. Waziristan: C-5 W. of Datta Khel Fort, gravel plains, Blatter & Fernandez 631.
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1 |
Leaves crenate to pinnatifid |
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(2) |
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Leaves 1-2-pinnatisect |
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(4) |
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2 (1) |
Mericarps with 2 lateral pits anteriorly; beak 2.5-3.5 cm long, bristly hairs on dehiscence ventrally |
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3 Erodium malacoides |
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Mericarps with 1-3 transverse grooves anteriorly; pit solitary or apical; beak 6-9(-10) cm long.
Dehisced beak with plumose hairs ventrally |
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(3) |
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3 (2) |
Plants perennial; sepals 5-nerved; mericarps with usually 2-3 grooves |
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2 Erodium glaucophyllum |
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Plants annual; sepals 3-nerved; mericarps with a solitary groove |
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1 Erodium oxyrrhynchum |
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4 (1) |
Beak 4-5.5 cm long; pits glandular |
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4 Erodium ciconium |
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Beak up to 3.5 cm long, rarely more; pits eglandular |
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(5) |
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5 (4) |
Filaments toothed at the base; sepal awn 2.5-3 mm long |
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5 Erodium stephanianum |
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Filaments not toothed at the base. Sepal awn 1-1.5 mm long |
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(6) |
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6 (5) |
Bracts suborbicular, glabrous, membranous. Sepal awn 1-1.5 mm long. Beak 3.5-6 cm long |
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6 Erodium laciniatum |
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Bracts ovate, ciliate. Sepal awn apiculate. Beak 2.5-3.5 cm long |
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7 Erodium cicutarium |
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Lower Taxa
Related Synonym(s):