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craspedodromous, mixed- |
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venation |
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Having a midvein that branches to either side along the length of the lamina, the secondary veins running thence toward the margin, some becoming indistinct before reaching it, others terminating there. |
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discal |
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insertion |
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Upon or otherwise directly associated with the floral disc. |
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replum pl. repla |
< dissepiment, septum |
STRUCTURE |
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The persistent wall or partition that separates the two locules of a silicle or silique. |
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erose 2 |
= eroded |
relief |
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Appearing as if chewed or gnawed; having very irregular localized deviations from its generalized line. |
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second glume |
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STRUCTURE |
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The upper (distal) member of a pair of small bracts inserted at the base of a grass (Poaceae) spikelet. |
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forked |
= furcate; > bifurcate |
solid shape |
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Having two or more terminal, antrorse branches or divisions arising from a common point or level, like the prongs of a fork. |
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hastate 2 |
= halberd-head-shaped |
plane shape |
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Basically triangular with an acute apex and two large, widely divergent basal lobes, each generally triangular and distally acute; like the stylized outline of the broad lateral face of a halberd head. |
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subapical |
= subterminal |
position |
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Lateral and just below the apex. |
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infructescence 1 |
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STRUCTURE |
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A mature (fruiting) inflorescence (static sense). |
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tholiform |
= dome-shaped |
solid shape |
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Convex overall, broadest at the base, and transversely more or less circular to elliptical throughout. |
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lidded |
= operculate |
architecture |
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Having a lid (operculum). |
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acrocaulous |
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position |
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At or very near the stem tip. |
|
architecture |
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CHARACTER |
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Composite structural configuration as to type, orientation, symmetry, insertion, position, fusion, presence, number, relative size, shape, texture, differentiation, and/or derivation of components and features. Overlaps conceptually with habit. |
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lumen pl. lumina |
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FEATURE |
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A space enclosed by the wall(s) or membrane(s) of a structure. |
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cereous 2 |
= ceraceous, waxen, waxy |
texture |
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Having the consistency of wax. |
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papilliform |
= papillar(y) |
solid shape |
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Small, conoidal, and protruding from a larger structure; resembling a pimple; esp. trichomes. |
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coriaceous |
= leathery |
texture |
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Moderately thick, tough, and very pliable. |
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epibracteal |
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position |
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Upon the bracts, or partially adnate thereto and apparently arising therefrom. |
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scabrous 1 |
= rough |
pubescence |
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Of or bearing coarse, stiff, ascending trichomes and markedly rough to the touch. |
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flexible |
= pliable, pliant, supple |
texture |
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Able to bend over its length and/or breadth without structural disruption. |
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small-sawtoothed |
= serrulate |
margin |
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Finely sawtoothed (serrate). See also scalloped (crenate), small-scalloped (crenulate), small-toothed (denticulate), toothed (dentate). |
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gum |
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SUBSTANCE |
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A highly viscous and sticky exudate that becomes more or less elastic and/or deformably solid upon drying. Overlaps conceptually with latex. |
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stoma 1 (broad sense) pl. stomata |
= stomatal apparatus, stomate |
STRUCTURE |
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A localized functional epidermal unit consisting of a microscopic pore and two encircling specialized cells, the guard cells, which, through changes of turgor pressure in response to environmental conditions, regulate the size of the pore and thus the rates of transpiration and gas exchange through it; the whole surrounded or not by associated, cytologically distinctive epidermal cells, the subsidiary or accessory cells, which, when present, are regularly oriented in relation to it. |
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impressed |
< sunken |
prominence |
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Shallowly sunken. |
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tartar-like |
= tartareous |
relief |
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Rough and crumbling spontaneously, becoming erose. |
