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(Last Modified On 10/31/2012)
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(Last Modified On 10/31/2012)
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Genus
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VRIESIA Lindl.
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PlaceOfPublication
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Bot. Reg. 29: pI. IO. 1843.
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Synonym
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Hexalepis Raf. Fl. Tellur. 4:24. 1838. Vriesia subgenus Alcantarea E. Morr. ex Mez in Mart. Fl. Bras. 33:516. 1894. Neovriesia Britton in Britton & Wilson, Sci. Surv. Porto Rico 5:141. 1923. Alcantarea Harms in Notizbl. Bot. Gart. Berlin 10:802. 1929.
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Description
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Large showy mostly epiphytic herbs. Leaves densely rosulate, often banded or mottled, entire. Inflorescence simple or compound, spikes usually distichous- flowered. Floral bracts conspicuous, enfolding or concealing the bases of the flowers. Flowers subsessile or on short pedicels. Sepals free. Petals nearly or quite free, ligulate, bearing one or two scales each. Stamens included or exserted. Ovary nearly or quite superior; style elongate. Ovules many, usually caudate. Seeds fusiform with a long straight basal coma.
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Key
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a. Flowers not becoming secund at anthesis. b. Floral bracts shorter than the sepals; inflorescence compound - 1. V. ALTA bb. Floral bracts equaling or exceeding the sepals; inflorescence simple. c. Floral bracts chartaceous, sharply carinate, strongly incurved toward -apex -2. V. HELICONIOIDES cc. Floral bracts coriaceous, convex and ecarinate, straight. d. Leaves acute, not apiculate; floral bracts barely imbricate - 3. V. PACHYSPATHA dd. Leaves broadly acute or obtuse, apiculate; floral bracts densely imbricate --- --4. V. GLADIOLIFLORA aa. Flowers becoming secund at anthesis. b. Floral bracts acute or obtuse; axis of the inflorescence smooth or sulcate but never verrucose. c. Floral bracts rugulose when dry, thick, coriaceous. d. Sepals obtuse; floral bracts obtuse or broadly subacute -4. V. GLADIOLIFLOKA dd. Sepals acute; floral bracts triangular-acute --- 5. V. WOODSONIANA cc. Floral bracts not rugulose when dry. d. Plant 1-2 m. high; leaf-blades 8-10 cm. wide; floral bracts coriaceous -----6. V. SANGUINOLENTA dd. Plant not over 5 dm. high; leaf-blades 13-18 mm. wide; floral bracts chartaceous - -- -- 7. V. SUBSECUNDA bb. Floral bracts acuminate, carinate toward apex; axis of the inflorescence verrucose just below the nodes - - _ _ __ 8. V. RINGENS
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