|
tortuous |
|
course |
|
Strongly irregular with sharp bends and/or curves. |
|
embryo |
|
STRUCTURE |
|
The rudimentary spermatophyte contained within a viable seed. |
|
acroscopic |
|
orientation |
subordinate structure |
Directed, facing, or pointing ("looking") toward the apex of the bearing structure. |
|
pseudopetiolate |
|
architecture |
leaf |
Having a distinctly constricted, more or less stalk-like, proximal portion that is evolutionarily derived from the blade, the original petiole reduced to the point of absence or vestigiality; esp. in Poaceae (Gramineae). |
|
symmetric(al) 2 |
|
architecture |
flower |
Having the perianth members in whorls that are actinomorphic and equal in number of members. |
|
craspedodromous, mixed- |
|
venation |
|
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. |
|
lenticel |
|
STRUCTURE |
|
A specialized, anatomically distinct structure within the periderm of a stem, consisting of comparatively spongy, sometimes suberized tissue distinct from others of the periderm; extending radially through the periderm and visible as a circular to elongate discontinuity in the color, texture, and/or relief of the outer surface of the stem; serving as a conduit for gas exchange between the stem interior and the atmosphere. |
|
epipetalous |
|
position |
|
Upon the petals, or partially adnate thereto and apparently arising therefrom. |
|
scorpioid-cymose |
|
architecture |
inflorescence |
Comprising one or more scorpioid cymes. See also cincinnate, helicoid-cymose. |
|
solitary 1 |
|
arrangement |
|
Disposed singly, each remote from any others. |
|
contiguous |
|
arrangement |
|
Touching one another. |
|
cryptocotyloid |
|
germination |
seed |
Having the cotyledon(s) remaining inside the seed coat. |
|
semielliptic |
|
arrangement |
bundle scars |
Forming an incomplete ellipsis, like the letter U. |
|
spinulose |
|
architecture |
|
Finely spinose. |
|
obterete |
|
solid shape |
|
Inversely terete. |
|
radical |
|
position |
|
Upon, arising from, or otherwise directly associated with the root. |
|
cuspidate |
|
apex |
|
Tapering gradually to a rigid tip composed of both vascular and laminar tissues. |
|
heterogamous |
|
reproduction |
plant, inflorescence |
Having flowers that differ distinctly in size, shape and/or constitution. |
|
suprabracteal |
|
position |
|
Upon the axes, each directly above (distal to) and very near a point of bract insertion. |
|
rhipidiate |
|
architecture |
inflorescence |
Comprising one or more rhipidia. |
|
deliquescent 2 |
|
texture |
|
Delicately fleshy and liquifying at maturity or with pressure; e.g., petals of Tradescantia (Commelinaceae). |
|
diplecolobal |
|
arrangement |
cotyledons |
Incumbent but with the cotyledons folded together twice or more, the folds transverse. |
|
strict |
|
course |
|
Lacking any curve or bend. |
|
basal cell |
|
STRUCTURE |
|
Any of the ring of cells forming the lowermost (proximal) portion of an antheridial wall. |
|
involucrate 1 |
|
architecture |
inflorescence |
Subtended by an involucre. |
