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Project Name Data (Last Modified On 10/31/2012)
 

Flora Data (Last Modified On 10/31/2012)
Genus PITCAIRNIA L'Herit.
PlaceOfPublication Sert. Angl. 7. 1788.
Synonym Hepetis Sw. Prodr. 4, 56. 1788. Conanthes Raf. Fl. Tell. 4:24. 1838. Neumannia Brongn. Ann. Sci. Nat. II. 15:369. 1841. Lam froconus Lemaire, Jard. Fleur. 2:pl. I27. 1852. Cochliopetalum Beer in Flora 37:347. 1854. Phlonmostachys Beer, Bromel. 16, 45. 1857. Orthopetaluim Beer, Bromel. 17, 70. 1857. Pepittia Brongn. ex Andre, Ill. Hortic. 17:32. 1870. Meliinonia Brongn. ex E. Morr. Cat. Brom6l. Liege, 10. 1873.
Description Plants mostly terrestrial, rarely epiphytic, usually stemless. Leaves fasciculate or imbricate along a stem, entire or spinose-serrate, the sheath small, often bulbous- thickened, the blades linear to lanceolate with a definite petiole or narrowly tri- angular, sometimes dimorphic with some blades reduced to horny spinose-serrate spines, the larger blades sometimes deciduous. Inflorescence simple or compound. Flowers perfect, pedicellate to subsessile. Sepals free, acute or obtuse. Petals free, slightly zygomorphic in most species, naked or appendaged on the inside near base. Stamens from shorter to longer than the petals, the anthers linear. Ovary usually superior for most of its length. Style filiform. Ovules many, usually caudate. Capsule usually septicidal. Seeds caudate at both ends or rarely with an annular wing.
Key a. Floral bracts exceeding the sepals, broad. b. Leaf-blades petiolate, 55-125 mm. wide; inflorescence cylindric, elongate. c. Sepals oblong, 25 mm. long; flowers remaining erect; leaves 55-60 mm. wide -1------------------------------------------------------ I. P. ATRORUBENS cc. Sepals oblanceolate, 45 mm. long; flowers often spreading at an- thesis; leaves 105-12 5 mm. wide -2. P. OBLANCEOLATA bb. Leaf blades sessile, linear, 5-7 mm. wide -3. P. APHELANDRAEFLORA aa. Floral bracts shorter than the sepals. b. Plant not over 2 dm. high; scape short or none; leaf-blades dimorphic with the green ones deciduous - - 4. P. HETEROPHYLLA bb. Plant 6-20 dm. high or more; scape elongate. c. Inflorescence simple; leaf-blades flat. d. Leaves all alike, the blades linear, 13 mm. wide; sepals 34 mm. long ----- 5. P. CARNEA dd. Leaves dimorphic, the larger with blades up to 7 cm. wide; sepals 20 mm. long --- 6. P. KALBREYERI cc. Inflorescence laxly tripinnate; leaf-blades plicate - - 7. P. VALERII
 
 
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