Erodium acaule, Stemless storkbill, Leylekgagası hakkında genel bilgiler, faydaları ve zararları.
Charles Louis L’Héritier de Brutelle, 1789.
Erodium: Perennial, biennial or annual herbs. Leaves basal and (when stems present) cauline, longer than broad, pinnately lobes or dissected. Flowers actinomorphic or with ± zygomorphic corolla, borne in bracteate umbels (sometimes reduced to 2-1 flowers). Stamens 5, antisepalous; steminodes 5. Nectar glands 5. Ovary 5 lobed with a long subterminal style. Fruit long beaked, the outer part of the style separating into 5 long awns that usually remain attached to the mericarps and are spirally twisted below; awns rarely deciduous. Mericarps provided with 2 apical pits (foveoles) which may have 1 or more furrows below them.
Kocaeli’nde görülen Erodium türleri:
1. All leaves ± lobed or undivided, or only some of them pinnatifid, pinnatisect or trisect
2. Annual or sometimes biennial
4. Bracts 2, suborbicular; on sandy coasts 8. laciniatum
4. Bracts several, narrower; usually not on sandy coasts
5. All leaves shortly lobed; beak of fruit 2-4 cm
6. Lower leaves ovate; beak of fruit up to 25 mm, mericarps with a furrow below each gland dotted foveole 9. malacoides
5. Cauline leaves pinnatifid, pinnatisect or trisect; beak of fruit 4,5-10 cm
7. Sepals 6-10 mm in flower, 9-14 mm in fruit; mericarps 8-15 mm, with 1-2 furrows below each foveole
9. Sepals obtuse, eglandular, awn 2-7 mm; foveoles deeply pitted 5. gruinum
1. All leaves pinnate, pinnatisect or deeply pinnatifid
10. Rachis entire between the separate leaflets
11. Perennial, acaulous (i.e. peduncles arising from the caudex) 21. acaule
11. Annual, caulescent (though stems sometimes very short)
12. Leaflets of cauline leaves deeply 1-2 pinnatifid; mericarps with eglandular foveoles 19. cicutarium
10. Rachis winged, dentate or lobed between the main leaflets or segments
13. Annual; beak of fruit 4,5-10 cm; flowers hermaphrodite 7. ciconium