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플루이탄스자귀풀식물/들꽃-콩과(Fabaceae) 2014. 6. 18. 16:22
플루이탄스자귀풀물아카시아로 알고 있었던
과명 Leguminosae (콩과) 속명 Aeschynomene (자귀풀속) 전체학명 Aeschynomene fluitans Peter 추천명 플루이탄스자귀풀 이명 외국명 플루이탄스자귀풀 Range:
Angola; Congo; Namibia; western Tanzania; Botswana; Zambia
Habitat:
Floating on water of slow rivers and ponds, and in floodplains, river and pond margins 1000–1500 m.Description:
Perennial herb, 1–4.5 m long, floating on water surface. Stems hollow, spongy, thick, 0.5–1 cm in diameter, densely covered with adventitious roots. Leaves 16–26-foliolate; leaflets 9–25 × 2–6.5 mm, oblong to linear-oblong, rounded and mostly mucronulate at the apex, obliquely rounded or truncate at the base, entire or very finely serrulate, glabrous and glaucous; venation obscure; petiole and rhachis together 2.5–8 cm long, with a line of bristly hairs on the upper side; petiolules 0.5–1 mm long; stipules 13–21 × 3–5 mm, ovate-lanceolate, straight, spurred, at length deciduous. Flowers axillary, solitary; peduncle and pedicel together 3.5–10 cm long; bracts 2, one of which subtends the pedicel, 7–8 × 2–3 mm, ovate, appendiculate and amplexicaul, persistent; bracteoles 5–9 × 3–4.5 mm, ovate, ciliolate. Calyx glabrous, 2-lipped; lips oblong, one 1–11 × 3–9 mm, ± entire, and the other 1–15 × 4–6 mm, 3-lobed at the apex. Standard yellow, 18–25(30) × 18–20(30) mm, rounded; wings and keel yellow, the petals of the latter laciniate along their lower margins. Fruit 1.5–5 cm long including the short 5–7 mm long stipe, irregularly linear-oblong in outline, straight or slightly curved, 1–4(5)-jointed; suture slightly broadly constricted between the articles, and mostly with a raised corrugated or tuberculate ridge beside it forming a margin all round the fruit; articles 1–14 × 8–9.5 mm, irregularly oblong, mostly curved, compressed, glabrous, slightly venulose but otherwise smooth or only slightly tuberculate apart from the marginal ridge. Seeds dark purplish-brown, 8.5 × 5 × 2 mm, reniform, with a long central hilum.http://apps.kew.org/efloras/namedetail.do?taxon=2618&nameid=6518'식물 > 들꽃-콩과(Fabaceae)' 카테고리의 다른 글
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