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nodose |
= knobby, knotty |
solid shape |
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Having nodiform (gongylodate, gongyloid, knob-shaped, knot-shaped) protrusions. See also nodulose. |
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chamber (not recommended) |
= cell (not recommended), locule |
FEATURE |
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Any structurally distinct compartment within an anther, ovary, fruit or other organ; not necessarily having any evolutionary integrity. |
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paraphysis pl. paraphyses |
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STRUCTURE |
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An elongate, multicellular, sterile structure borne between sporangia within a sorus; in Polypodiophyta. |
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corolla pl. corollae, corollas |
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STRUCTURE |
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Collectively, the petals of a flower, whether distinct or connate; the inner or distal envelope of a differentiated perianth, whether the other envelope (calyx) is actually present or is deemed to be absent due to evolutionary reduction. |
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pollinarium pl. pollinaria |
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STRUCTURE |
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A pollinium together with, when present, its stipe and viscidium; the entire unit of pollinium dispersal. |
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raphides sing. raphis |
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STRUCTURE |
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Needle-like crystals of calcium oxalate contained within the cells of some plants; esp. in Araceae. |
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epigeous |
= epigeal |
location |
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Upon or very near the surface of the ground; esp. of cotyledons following seed germination. |
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…-scalloped |
= …crenate |
margin |
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Having the number of orders of scallops (crenae) indicated by the prefix, one upon another; as in twice-scalloped. See also …-sawtoothed (…serrate), …-toothed (…dentate). |
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floral |
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position |
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Upon, within, or associated with the flowers. |
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gynoecium pl. gynoecia var. gynaecium |
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STRUCTURE |
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The pistil(s) of a single flower together with any ontogenetically equivalent or subordinate structures present, taken collectively; the total female (ovule-producing) structural complement of a single flower. It may include one to many pistils, each simple or compound. |
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stomium pl. stomia |
= stomatal pore |
FEATURE |
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The opening in the wall of a sporangium, between the lip cells, through which the spores exit; in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. |
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leaf-opposed |
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insertion |
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Nodal and directly opposite the leaf. |
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muscariform |
= broom-shaped, penicillate |
solid shape |
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Having a proximal axis that bears a distal cluster of elongate slender branches or appendages, these variously ascending to erect; like a broom. |
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casing |
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STRUCTURE |
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The portion (if any) of a floral tube that is adnate to the gynoecium. See also collar, neck. |
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palea 2 pl. paleae, paleas |
= pale, palet |
STRUCTURE |
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The distal bract of the (usually) two that immediately subtend the flower in a grass (Poaceae) spikelet; the other is the lemma. |
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conic(al) |
= cone-shaped |
apex |
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Transversely round, essentially triangular in median longitudinal section, and broadest proximally. See also obconic(al). |
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pitcher-shaped |
= ascidiform |
solid shape |
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Having a more or less tubular, radially or bilaterally symmetrical body closed at the base and broadening toward a more or less open apex sometimes lidded or overarched by a prolongation of one side; like a pitcher. |
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quincunx |
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aestivation |
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Imbricate in one whorl of five members, two wholly exterior, two wholly interior, and one partially exterior and partially interior. |
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elongate |
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plane shape |
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Longer in one dimension than in any other. |
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saccate 2 |
= bag-shaped, pouch-shaped, sack-shaped |
solid shape |
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Irregularly obovoid with an exterior aspect intermediate between inflated and flaccid; like a closed pouch or bag. |
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firm |
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texture |
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Yielding under only moderately strong pressure; only slightly deformable without internal structural disruption. |
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sigmoid 2 |
= S-shaped |
solid shape |
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Elongate with more or less constant width or diameter and curved more or less regularly first in one direction and then in the opposite direction, like the letter S. |
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stem |
> cane, culm |
STRUCTURE |
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The entire axial system of a shoot, or a component, primary or higher-order (branch) axis of the shoot; differentiated anatomically and morphologically into nodes and internodes, from the former of which it branches exogenously and bears leaves, bracts, and/or inflorescences; usually growing above ground level, but sometimes structurally and functionally specialized and growing underground (e.g., rhizome, tuber) or upon the surface of the ground (e.g., stolon). Although sometimes phenotypically distinctive and often treated separately for descriptive purposes, the axial system of an inflorescence, excluding pedicels or parts of them in some cases, is properly stem in the above general sense. |
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hydathode |
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STRUCTURE |
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A multicellular, anatomically distinctive structure located within a leaf at its periphery, its cells surrounding a central canal that opens to the exterior, through which water is actively discharged under humid conditions that impede the rate of transpiration; this liquid discharge is termed guttation. |
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laevigate 2 |
= glossy, lustrous, polished, shining, shiny |
reflectance |
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Uniformly reflecting a high proportion of incident light at all angles. |
