A tentatively accepted name in the RHS Horticultural Database.
Annual or perennial herbs. Leaves usually alternate, stipulate, variously divided. Peduncles (1-) 2-flowered. Flowers often showy, regular, usually 5-merous. Petals alternating with 5 nectiferous glands. Stamens (5-) 10, staminodes occasional. Carpels usually 5, adnate, separating septifragally from the central axis at maturity. Ovary 5-lobed. Fruit schizocarpic, of 5 mericarps which remain attached to an elastically coiling stylar axis upwards; mericarps without apical pits.
A genus of c. 400 species, mainly distributed in the temperate zone of N. Hemisphere, but also in the tropics. Represented in Pakistan by 22 species. The large flowered perennials are difficult to key out satisfactorily unless there is ample information on the nature of the underground parts, flower colour, shape and size of the leaves and the fruits. In the key that follows, I have used the following terminology: segments for primary division of leaves; lobes for secondary division. The sepal length excludes the awn. The beak length (in fruit) excludes the styles.[1]
There are approximately 1,828 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: G. cinereum lazicum · G. molle molle · G. pratense transbaicalicum · G. purpureum purpureum · G. pyrenaicum depilatum · G. sylvaticum uralense · G. intermedium · G. magnificum · G. oenense · G. oxonianum · G. riversleaianum · G. × cantabrigiense 'Biokovo' (Biokovo Cranesbill) · G. 'Alan Mayes' · G. 'Alaska' · G. 'Amanda's Blush' · G. 'Ann Folkard' (Ann Folkard Cranesbill) · G. 'Ann Folkard' × psilostemon · G. 'Ann Foulkard' · G. 'Anne Thomson' (Hardy Cranesbill) · G. 'Aria' · G. 'Aussie Gem' · G. 'Aya' · G. 'Baby Blue' · G. 'Balansae' · G. 'Bertie Crûg' (Cranesbill) · G. 'Bethany' · G. 'Bevan's Variety' (Bevan's Variety Cranesbill) · G. 'Bill Baker' · G. 'Birch's Double' (Himalayan Geranium) · G. 'Bloger' · G. 'Blogold' · G. 'Blue Blood' (Cranesbill) · G. 'Blue Boy' · G. 'Blue Cloud' (Cranesbill) · G. 'Blue Pearl' · G. 'Blue Sunrise' (Blue Sunrise Hardy Geranium) · G. 'Bob's Blunder' · G. 'Bravo Pastel' (Pastel Zonal Geranium) · G. 'Bremigo' · G. 'Bright Stranger' · G. 'Brookside' (Brookside Cranesbill) · G. 'Buckland Beauty' · G. 'Buxton's Blue' · G. 'Chantilly' (Cranesbill) · G. 'Cheryl's Shadow' (Cheryl's Shadow Geranium) · G. 'Chocolate Pot' · G. 'Claridge Druce' · G. 'Coffee Time' · G. 'Coombland White' (Cranesbill) · G. 'Criss Canning' (Hardy Geranium) · G. 'Crûg Pewter' · G. 'Cyril's Fancy' · G. 'Delight' · G. 'Dilys' (Dilys Cranesbill) · G. 'Distant Hills' · G. 'Diva' · G. 'Dragon Heart' · G. 'Dusky Crûg' (Cranesbill) · G. 'Dusky Gem' · G. 'Dusky Rose' · G. 'Eleanor Fisher' · G. 'Elizabeth Ross' · G. 'Elizabeth Seager' · G. 'Elke' · G. 'Ella' · G. 'Elworthy Blue Eyes' · G. 'Elworthy Dusky' · G. 'Elworthy Eyecatcher' · G. 'Elworthy Tiger' · G. 'Emily' · G. 'Eva' (Eva Cranesbill) · G. 'Expression' · G. 'Farncombe Cerise Star' · G. 'Fireworks' · G. 'Flamingo' · G. 'Flower Fairy Rose' · G. 'Gernic' · G. 'Gerwat' · G. 'Graffiti Fire' · G. 'Grasmere' · G. 'Gwen Thompson' · G. 'Harmony' · G. 'Hilary' · G. 'Hope Mountain' · G. 'Incognito' · G. 'Ivan' · G. 'Jack of Kilbryde' · G. 'Jacqueline's Joy' · G. 'Jean Armour' · G. 'Jean's Lilac' · G. 'Jennifer' · G. 'Johnson's Blue' (Cranesbill) · G. 'Jolly Bee' (Hardy Geranium) · G. 'Jolly Pink' · G. 'Joy' · G. 'Karmina' (Karmina Cranesbill) · G. 'Kashmir Blue' · G. 'Kashmir Green' · G. 'Kashmir Lilac' · G. 'Kate Folkard'
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