flange |
|
STRUCTURE |
|
A relatively broad, circumferential rim or ridge that protrudes laterally. |
microsporocarp |
|
STRUCTURE |
|
A sporocarp that bears only microsporangia. |
diplostemonous |
|
architecture |
flower, androecium |
Having the stamens dicyclic, the proximal whorl with members directly above the sepals, the distal whorl with members directly above the petals. See also obdiplostemonous. |
mucronate |
|
apex |
|
Terminating abruptly in a short, hard point that is a continuation of vascular tissue. See also apiculate, mucronulate. |
vesicle |
|
STRUCTURE |
|
A small bladder-like part consisting of an enclosing wall or covering and an empty or fluid-filled interior, sometimes turgid; esp. in citrus fruits (hesperidia). |
cyathium pl. cyathia |
|
nominative |
inflorescence |
Resembling a single flower, the unbranched axis very short with a terminal pistillate flower and several lateral staminate flowers, the whole subtended and to some degree enclosed by a cupulate envelope of bracts, the flowers diminutive and presumed to be evolutionarily reduced; characteristic of Euphorbia. |
costal |
|
position |
|
Upon or otherwise directly associated with the costa(e) of a laminar structure. |
infrafoliar |
|
position |
|
Upon the stem directly below a leaf insertion. |
emersed |
|
location |
structure of aquatic plant |
Above the water surface. |
pilosulous |
|
pubescence |
|
Finely pilose. |
sellaeform |
|
solid shape |
|
See selliform. |
epipterous |
|
solid shape |
|
Alate with a single terminal wing. |
symmetric(al) 2 |
|
architecture |
flower |
Having the perianth members in whorls that are actinomorphic and equal in number of members. |
reclinate |
|
vernation |
|
Each with its blade oriented downward and parallel to the proximal portion of its distally recurved petiole. |
valvate 1 |
|
aestivation |
|
Whorled and with members not overlapping, adjacent members laterally contiguous at their margins. |
planoconvex |
|
solid shape |
|
Relatively thin with opposite broad faces, one plane and one convex. |
prickle |
|
STRUCTURE |
|
Any unvascularized spine-like enation originating in the epidermis, cortex, or mesophyll of any shoot part. See also spine, thorn. |
resinous 2 |
|
texture |
|
Having the consistency of resin. |
gemma pl. gemmae |
|
STRUCTURE |
|
A vegetative propagule by which a gametophyte reproduces asexually; produced by a process analogous to budding, from a more or less cupulate specialized area (gemmae cup) on the surface of the plant body (thallus); in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. |
laevigate 1 |
|
relief |
|
Very smooth. |
perigynium 1 pl. perigynia |
|
STRUCTURE |
|
Two whorls of bracts, scales or setae immediately subtending the ovary, sometimes cupulate (cup-shaped) or ampulliform (flask-shaped, lageniform) and investing the fruit (achene); in Cyperaceae. |
intercostal |
|
insertion |
|
Between the costae. |
apetalous |
|
architecture |
flower, perianth |
Lacking petals. |