. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 3. ACUAN Medic. Theod. Sp. 62. 1786. [Desm.\nthus Willd. Sp. PI. 4: 1044. 1806.] [Darlingtonia DC. Ann. Sci. Nat. 4: 97. 1825.] Perennial herbs or shrubs, with bipinnate leaves, small stipules, and greenish or whitish small regular flowers in axillary peduncled heads or spikes. Flowers perfect, sessile, or the lowest sometimes staminate, neutral or apetalous. Calyx campanula
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 3. ACUAN Medic. Theod. Sp. 62. 1786. [Desm.\nthus Willd. Sp. PI. 4: 1044. 1806.] [Darlingtonia DC. Ann. Sci. Nat. 4: 97. 1825.] Perennial herbs or shrubs, with bipinnate leaves, small stipules, and greenish or whitish small regular flowers in axillary peduncled heads or spikes. Flowers perfect, sessile, or the lowest sometimes staminate, neutral or apetalous. Calyx campanulate, its teeth .short. Petals valvate, distinct, or slightly united or coherent below. Stamens 10 or 5, distinct, mainly exserted; anthers all alike. Ovary nearly sessile; ovules 00. Pod linear, straight or curved, acute, glabrous, flat, several-seeded, 2-valved, the valves coriaceous or inembranous. About 10 species, natives of warm and tropical America, one of them widely distributed in tropical regions of the Old World. Type species: Mimosa virgala L. Pods few. linear, erect, straight. i. Pods numerous in globose heads, olilong. curved. 2. A. illinoensis.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
