. 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 102d meridian. Botany; Botany. 442 ARACEAE. Vol. I. 3. Calla. 4. Spathyema. 5. Orontium. 6. Acorus. Flowers perfect. Flowers with a perianth. Spadix enclosed in a shell-like fleshy spathe. Spadix naked, terminating the scape. Spadix naked, borne at the base of a leaf-like spathe. i. ARISAEMA Mart. Flora 14: 459. 1831. Perennial herbs with acrid corms, simple scapes and 1 to 3 slender-petiole
. 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 102d meridian. Botany; Botany. 442 ARACEAE. Vol. I. 3. Calla. 4. Spathyema. 5. Orontium. 6. Acorus. Flowers perfect. Flowers with a perianth. Spadix enclosed in a shell-like fleshy spathe. Spadix naked, terminating the scape. Spadix naked, borne at the base of a leaf-like spathe. i. ARISAEMA Mart. Flora 14: 459. 1831. Perennial herbs with acrid corms, simple scapes and 1 to 3 slender-petioled divided leaves unfolding with the flowers. Spadix included or exserted, bearing the flowers near its base. Spathe convolute, open or contracted at the throat. Flowers dioecious or monoe- cious, without any perianth, the staminate' of 4 almost sessile 2-4-celled anthers which open by confluent slits at the apex, the pistillate with an ovoid or globose i-celled ovary contain- ing 1 or many orthotropous ovules; style short or none, stigma peltate-capitate. Fruit a cluster of globose red berries, conspicuous when ripe. Seeds with copious endosperm and an axial embryo. [Greek, referring to the red-blotched leaves of some species.] About 50 species, mostly natives of temperate and subtropical Asia. Besides the following, 2 other species occur in the Southern States. Type species: Arum nepenthoides Wall. Spathe hooded, open at the throat, enclosing the spadix. Leaves pale beneath ; spadix club-shaped. Leaves green on both sides; spadix cylindric. Spathe smooth, deep brown to black. Spathe fluted, green or striped. 3. Spathe convolute; summit of the spadix exserted. 4. 1. Arisaema triphyllum (L.) Torr. the-pulpit. Indian Turnip. Fig. Arum triphyllum L. Sp. PI. 965. 1753. Arisaema atrorubens Blume, Rumphia 1: 97. Arisaema triphyllum Torr. Fl. N. Y. 2: 239. Leaves 1 or 2, nearly erect, io'-3° high, usually exceeding the scape, 3-foliolate, the segments ovate, entire, or sometimes lobe
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
