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palea 1 pl. paleae, paleas |
= pale, palet, receptacular bract |
STRUCTURE |
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A small papery (chartaceous) to membranous bract borne on the compound receptacle (torus) of a capitulum (head) in Asteraceae (Compositae). |
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congested |
= compact, crowded |
architecture |
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Having equivalent constituent parts disposed very near to one another. |
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quadr(i)… |
= four-…, tetra… |
prefix |
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Indicating presence of or constitution by four entities of the type denoted by the term's stem; as in quadrangular, quadrilocular. |
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elliptic(al) 2 |
= oval |
plane shape |
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Elongate, widest at the middle, and symmetrically convex-attenuate to rounded ends. See also oblong. |
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fine-pitted |
= foveolate, scrobiculate |
relief |
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Finely pitted (foveate). |
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sigmoid 1 |
= S-shaped |
course |
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Curved more or less regularly first in one direction and then in the opposite direction, like the letter S. |
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glochidium pl. glochidia |
= glochid; < bristle, capillus, hair, seta, trichome |
STRUCTURE |
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A capillus (hair) or bristle (seta) that bears one or more barbs; esp. in Cactaceae. |
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stellate 3 |
= star-shaped |
solid shape |
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Having a distal aspect like the stylized shape of a star; stipitate or sessile with elongate branches or appendages radiating widely in three dimensions from a common point at the apex of the proximal axis or, when sessile, upon the bearing surface. |
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hyaline |
= pellucid; > translucent, transparent |
coloration |
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Transmitting light uniformly. |
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symmetric(al) 1 |
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solid shape |
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Divisible into essentially equal halves along one or more lines or planes. |
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laevigate 1 |
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relief |
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Very smooth. |
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barbellula pl. barbellulae |
= barbellule |
STRUCTURE |
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A small barbel (barbella); a very diminutive barb. |
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mixed-craspedodromous |
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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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cane |
< culm, stem |
STRUCTURE |
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A woody, aboveground culm. Use of this term or culm instead of stem is a matter of tradition and preference, not of descriptive precision or necessity. |
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one-sided 2 |
= unilateral |
orientation |
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Disposed or directed toward one side only. |
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colpate |
= fossulate, furrowed, grooved, sulcate, valleculate |
architecture |
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Having one or more elongate, relatively narrow and shallow depressions (colpi). |
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petiolar |
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position |
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Upon or otherwise directly associated with the petioles. |
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pseudoterminal |
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insertion |
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Only apparently terminal; originally subapical but displaced toward the apex by differential growth during development. |
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drooping |
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orientation |
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Erect to salient (patent, porrect, spreading) proximally and curving downward distally. |
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root 1 |
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STRUCTURE |
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Collectively, all those portions of a plant body that are anatomically distinct from the shoot, the component axes not differentiated into nodes and internodes, and branching endogenously. |
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galeiform |
= galeate, helmet-shaped |
solid shape |
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Convex overall with a more or less smoothly curved apex, relatively thin-walled and essentially hollow with the interior open to one side below the distal portion; resembling a helmet. See also cuculliform (cucullate, hood-shaped), which overlaps conceptually. |
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squamella 2 pl. squamellae |
= squamule; < scale |
STRUCTURE |
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A small, dry bract borne on the compound receptacle (torus) of a capitulum (head); in Asteraceae (Compositae). |
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sunken |
> immersed, impressed |
prominence |
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Below the general level of the surrounding surface. |
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isthmus |
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STRUCTURE |
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A narrower portion connecting two wider or broader portions of an inclusive structure. |
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almondy |
= hydrocyanic |
odor |
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Pungently fruity like almonds, due to the presence of hydrocyanin or a closely related compound. |
