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…gonous |
= …angled |
solid shape |
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Elongate with the number of longitudinal angles indicated by the prefix, the intervening sides transversely straight to concave; as in hexagonous, trigonous. See also deltoid, …gonal (…angular), obdeltoid, triquetrous. |
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stigma pl. stigmata, stigmas |
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STRUCTURE |
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An exposed, localized portion of a pistil that retains deposited pollen and stimulates its germination, the pollen tubes then growing through or along it toward the ovule(s). |
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hypogynium pl. hypogynia |
= gynophore; < stalk, stipe (broad sense, not recommended) |
STRUCTURE |
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The basal portion of an ovary when constricted and stalk-like above the level of perianth insertion, bearing the main body of the pistil at its summit; in Cyperaceae. |
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lancehead-shaped 1 |
= lanceolate |
plane shape |
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Elongate, moderately narrow, broadest just above the base and gradually attenuate toward the apex, the sides more or less straight; like the outline of the broad lateral face of a lance head. See also oblanceolate. |
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turion |
< sucker |
STRUCTURE |
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A scaly sucker. |
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wingless 1 |
= exalate |
architecture |
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Lacking elongate, relatively thin protrusions or appendages that resemble wings. |
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annular |
= ring-shaped |
solid shape |
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More or less evenly tubular in a closed circle; like a ring or doughnut. |
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comose |
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pubescence |
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Bearing a prominent single tuft of relatively long and slender, flexible, capillate trichomes (coma). |
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pilosulous |
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pubescence |
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Finely pilose. |
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cycle |
= series, verticil, whorl |
STRUCTURE |
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A set of three or more lateral structures that are inserted around an axis at the same level. |
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pulvinate 2 |
= cushion-shaped, mound-shaped, pulviniform |
solid shape |
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Essentially round in transverse section, much broader than long or high, with a convex distal face that intersects either a more or less plane proximal face or, when the structure is sessile, its bearing surface. |
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ear |
= auricle |
STRUCTURE |
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A small, rounded, lateral lobe at the base of a laminar structure, lying in more or less the same plane as the remainder of the lamina. |
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rostrum 2 pl. rostra |
= beak |
STRUCTURE |
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The inner, horn-like segment of a coronal lobe; esp. in Asclepiadaceae. |
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setose |
= hispid; < bristly |
pubescence |
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Bearing relatively long and slender, more or less straight, terete, fine-pointed, stiff trichomes. See also setulose (hispidulous, small-bristly). |
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germination 1 |
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CHARACTER |
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The process wherein a dormant embryo resumes active metabolism and growth, the primary root and shoot emerging from the seed coat, the young sporophyte thereupon entering the seedling stage. |
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suprabasal |
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insertion |
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Just above the base of the structure in point. |
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triquetrous |
= three-angled, trigonous; > deltoid, obdeltoid |
solid shape |
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Elongate with three sides that meet at acute or obtuse angles. |
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viscid 1 |
< glutinous |
coating |
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Of a sticky substance. |
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axil |
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FEATURE |
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The space bounded by and near the vertex of the distal angle between a lateral structure, especially a leaf, and the axis that bears it. |
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mentum pl. menta |
= column foot |
STRUCTURE |
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A lateral, often nectariferous protrusion from the proximal portion of a column, opposite the labellum, projecting in front of the rest of the flower; in Orchidaceae. |
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callous |
= callose |
texture |
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Hard-leathery; callous tissue usually is also thicker than comparable adjacent tissue. |
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cloying |
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odor |
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Sickeningly sweet. |
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periclinal |
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orientation |
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Parallel to some given plane of reference; applied especially to the plane of cell division when it is oriented parallel to the generalized plane of the structural surface. |
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cross-vein |
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STRUCTURE |
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A relatively short, secondary or higher-order vein that runs directly between two veins of the next lower order, intersecting them more or less perpendicularly. |
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prophyll(um) pl. prophylls, prophylla |
= bracteole, bractlet; < bract |
STRUCTURE |
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A second- or higher-order bract within, and subtending some portion of, an aggregate branching structure, especially when subtending a flower. |
