. The Cactaceae : descriptions and illustrations of plants of the cactus family. WITTIA. 207 2. Wittia panamensis Britton and Rose, Contr. U. S. Nat. Herb. 16: 241. 1913. Branches much flattened, up to i meter long, 4 to 7 cm. wide, low-crenate; flowers sometimes 15 or more on a branch but sohtary at areoles on upper half of joint, purple, becoming straight, to cm. long, 5-angled, stiff'; outer perianth-segments 10, in 2 series, equal, obtuse; outermost ones angled on back; inner perianth-segments 5, similar to outer but thinner, not angled or only slightly so, a little longer, all ere
. The Cactaceae : descriptions and illustrations of plants of the cactus family. WITTIA. 207 2. Wittia panamensis Britton and Rose, Contr. U. S. Nat. Herb. 16: 241. 1913. Branches much flattened, up to i meter long, 4 to 7 cm. wide, low-crenate; flowers sometimes 15 or more on a branch but sohtary at areoles on upper half of joint, purple, becoming straight, to cm. long, 5-angled, stiff'; outer perianth-segments 10, in 2 series, equal, obtuse; outermost ones angled on back; inner perianth-segments 5, similar to outer but thinner, not angled or only slightly so, a little longer, all erect; innermost segments 10 or 11, thinner, paler, and much smaller than outer, apiculate, sometimes toothed above; tube proper 5 to 6 mm. long, the throat 10 mm. long; stamens many, in 2 series, one on base of throat on long filaments, one on top of throat on short filaments, all included; stigma-lobes 4, white, but remaining in a close cluster, the top exserted beyond perianth-segments; ovary globular, purple, bearing a few scarious scales. Type locality: Mountains above Chepo, Panama. Distribution: Panama, Colombia, and perhaps Venezuela. Mr. Henri Pittier has collected in Venezuela a plant which is closely related to this species (No. 7656). Illustrations: Contr. U. S. Nat. Herb. 16: pi. 73; Curtis's Bot. Mag. 145: pi. 8799. Figure 209, shown below, is from a photograph showing the plant collected by Mr. Pittier in 1912 which afterwards flowered in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Rose, J. N. (Joseph Nelson), 1862-1928. Washington : Carnegie Institution of Washington
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Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
