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Pakistan | Family List | Geraniaceae

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.


1 Leaves crenate to pinnatifid   (2)
+ Leaves 1-2-pinnatisect   (4)
       
2 (1) Mericarps with 2 lateral pits anteriorly; beak 2.5-3.5 cm long, bristly hairs on dehiscence ventrally   3 Erodium malacoides
+ Mericarps with 1-3 transverse grooves anteriorly; pit solitary or apical; beak 6-9(-10) cm long. Dehisced beak with plumose hairs ventrally   (3)
       
3 (2) Plants perennial; sepals 5-nerved; mericarps with usually 2-3 grooves   2 Erodium glaucophyllum
+ Plants annual; sepals 3-nerved; mericarps with a solitary groove   1 Erodium oxyrrhynchum
       
4 (1) Beak 4-5.5 cm long; pits glandular   4 Erodium ciconium
+ Beak up to 3.5 cm long, rarely more; pits eglandular   (5)
       
5 (4) Filaments toothed at the base; sepal awn 2.5-3 mm long   5 Erodium stephanianum
+ Filaments not toothed at the base. Sepal awn 1-1.5 mm long   (6)
       
6 (5) Bracts suborbicular, glabrous, membranous. Sepal awn 1-1.5 mm long. Beak 3.5-6 cm long   6 Erodium laciniatum
+ Bracts ovate, ciliate. Sepal awn apiculate. Beak 2.5-3.5 cm long   7 Erodium cicutarium

Lower Taxa

Related Synonym(s):


 

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