. 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 . 8. RAIMANNIA Rose, Contr. Xat. Herb. 8: 330. 1905 Usually low annual biennial or perennial caulescent herbs, with prostrate or erect stems. Leaves alternate, sinuate or pinnatifid. Flowers perfect, yellow, axillary, or sometimes in terminal spikes, nocturnal; buds erect. Calyx-tube elongated, sometimes filiform, terete; calyx-segments 4, finally reflexed, deciduous. Petals 4
. 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 . 8. RAIMANNIA Rose, Contr. Xat. Herb. 8: 330. 1905 Usually low annual biennial or perennial caulescent herbs, with prostrate or erect stems. Leaves alternate, sinuate or pinnatifid. Flowers perfect, yellow, axillary, or sometimes in terminal spikes, nocturnal; buds erect. Calyx-tube elongated, sometimes filiform, terete; calyx-segments 4, finally reflexed, deciduous. Petals 4. spreading. Stamens 8, equal in length; filaments filiform; anthers linear. Ovary 4-celled, elongated; united styles filiform; stigma deeply 4-cleft; ovules numerous, in 2 rows, ascending. Capsules usually narrowly cylindric, sometimes slightly tapering, spreading or ascending, obtusely 4-angled, loculicidal. Seeds numerous, in 2 rows, terete, crowned by a tubercle. [Name in honor of Rud. Raimann, a monographer of this family.] About 20 species, in North and South America. Type species: Raimannia lacin'.ata (Hill) Rose. Flowers axillary. Silvery-pubescent with appressed or ascending hairs; seeds striate. i. Glabrous or sparingly hirsute-pubescent; seeds fitted. 2. R. laciniata. Flowers in terminal bracted spikes. 3. R. rhombipetala.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
