the style and the five fertile stamens, forming a prominent arrow-shaped structure. The fruit is a many-seeded capsule. Genus Genera 1, species 225 (1 species
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Shaffer-Fehre, M. 1991. The endotegmen tuberculae: An account of little-known structures from the seed coat of the Hydrocharitoideae (Hydrocharitaceae) and Najas
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wing-margined; seed coats without wavy ridges (sometimes with prism-shaped structures in D. hansenii), cells ± brick-shaped, cell margins straight or undulate
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mericarps is important. Here, wing applies to a clearly differentiated structure arising from the exocarp of a mericarp. All species may have solitary flowers
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A Text property defining a single value. Structure: fruit A Top Level Property A Achene Achene architecture Achene architecture or function or pubescence
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references are noted with the individual species. Camp, W. H. 1942. On the structure of populations in the genus Vaccinium. Brittonia 4: 189–204. Kloet, S.
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related genus of Fagaceae, native to Asia, with very different cupule structure (H.Hjelmquist 1948; L.L. Forman 1966). None. Chrysolepis chrysophylla,
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flora). See 26. Carex for a discussion of the inflorescence and flower structure of Kobresia. The inflorescences of Kobresia cannot be clearly divided into
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Potentilla, that is, condensed shoot structure at stolon nodes, enlarged 3-lobed epicalyx bractlets, and accessory fruit structure. Our infrageneric taxonomy follows
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a rather peculiar member of the Dicranaceae because of its unique leaf structure. In the leaf cross section there is an adaxial and abaxial layer of hyalocysts
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color. Leaves of sterile shoots distichous-complanate. Specialized asexual structures sometimes present, developing on the protonema. Sexual condition apparently
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Arnold Arbor. 50: 566–598. Nowicke, J. W. 1996. Pollen morphology, exine structure and the relationships of Basellaceae and Didiereaceae to Portulacaceae
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patches, leaves costate, protonematal flaps not persistent, stalked asexual structures often present. Tetraphis 1 Plants minute, bud-like, stems less than 0
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in the flora). Plagiobryoides is similar to Plagiobryum in gametophyte structure, but has more or less symmetric capsules with the endostome typically shorter
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divided into segregate genera based largely on placentation and fruit structure. “The mesembs have characteristic fruit capsules with locules (chambers
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stamens 1–5; ovary superior; styles 1–3, stigmas 1–3, filiform. Fruiting structures: achene often enclosed in perianth, pericarp adherent or nonadherent,
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D. Nautiyal, ed. 1984. Developmental and Comparative Aspects of Plant Structure and Function. Proceedings of the National Symposium. Allahabad. Pp. 55–70
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are only two cell-layers thick, are much used to demonstrate plant-cell structure and cytoplasmic streaming in introductory botany courses. None. None. window
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within which all radial surfaces of stones are connate, yielding a single structure, either globose or ellipsoid. With relatively few exceptions, fruits are
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to short-caulescent, scapose, from branched, woody caudices or bulblike structures; usually forming colonies with few to many rosettes. Stems to 25 dm. Leaves
7 KB (434 words) - 22:17, 5 November 2020