|
radiant 2 |
= radial, radiate, stellate |
arrangement |
|
Disposed about and mutually divergent from a common geometric center in two or three dimensions, thus collectively actinomorphic. |
|
radiate 1 |
|
architecture |
capitulum (head) |
Bearing one or more peripheral series of florets that are pistillate (either fertile or sterile) or neuter and that have zygomorphic corollas, and one or more central series of bisexual or functionally staminate florets that have actinomorphic corollas; in Asteraceae (Compositae). |
|
radiate 2 |
= radial, radiant, stellate |
arrangement |
|
Disposed about and mutually divergent from a common geometric center in two or three dimensions, thus collectively actinomorphic. |
|
radical |
|
insertion |
|
Upon, arising from, or otherwise directly associated with the root. |
|
radical |
|
position |
|
Upon, arising from, or otherwise directly associated with the root. |
|
radicant |
= rooting |
architecture |
structure |
Developing adventitious roots; esp. stems or leaves. |
|
radicate |
= rooted |
architecture |
plant |
Having one or more roots. |
|
radicle |
|
STRUCTURE |
|
The primary root, or its primordium, in an embryo; the portion of an embryo axis that develops into the root. |
|
radix pl. radices |
= root |
STRUCTURE |
|
A vascularized axis that is not internally differentiated into nodes and internodes and that branches endogenously, serving for anchorage, absorption and/or storage; collectively, all those portions of a plant body not belonging (anatomically) to the shoot. See also adventitious root, climbing root, diffuse root, knee root, primary root, prop root, secondary root, stilt root. |
|
raised |
> prominent, prominulous |
prominence |
|
Protruding above the general level of the surrounding surface. |
|
ramal |
|
insertion |
|
Upon or otherwise directly associated with the stem branches. |
|
ramal |
|
position |
|
Upon or otherwise directly associated with the stem branches. |
|
ramentaceous |
|
pubescence |
|
Of small, fragile, scarious, planate trichomes. |
|
ramiform |
= branched, ramose, ramous |
architecture |
axis, laminar vein |
Dividing into or bearing branches. |
|
ramose |
= branched, ramiform, ramous |
architecture |
axis, laminar vein |
Dividing into or bearing branches. |
|
ramous |
= branched, ramiform, ramose |
architecture |
axis, laminar vein |
Dividing into or bearing branches. |
|
rank |
|
FEATURE |
|
A sequence of lateral structures arising from the same axis at successive points along its length and diverging from it in the same direction. |
|
ranunculaceous |
= anomocytic |
architecture |
stomate |
Lacking subsidiary cells. |
|
raphal |
|
derivation |
aril |
Produced or resulting from a modification of the raphe. |
|
raphe |
|
STRUCTURE |
|
That portion of the funicle adnate to the integument of an anatropous ovule; represented by a longitudinal ridge or other discontinuity in the surface and/or color of the testa on one side of the mature seed. |
|
raphides sing. raphis |
|
STRUCTURE |
|
Needle-like crystals of calcium oxalate contained within the cells of some plants; esp. in Araceae. |
|
ray 1 |
< primary axis |
STRUCTURE |
|
A first-order axis within a compound umbel. |
|
ray 2 |
= lamina |
STRUCTURE |
|
The distal, relatively flat portion of the corolla of a ray floret, terminating in 0--4 teeth or lobes; in Asteraceae (Compositae). |
|
ray floret |
|
STRUCTURE |
|
A floret that has a zygomorphic corolla, is pistillate (either fertile or sterile) or neuter, and is borne in a radiate capitulum (head) peripheral (proximal) to the disc florets; in Asteraceae (Compositae). |
|
receptacle 1 |
= torus |
STRUCTURE |
|
The relatively short, simple, axial structure surmounting a pedicel and basal to the flower, usually broader than the pedicel. |
