|
homocladic |
< homomorphic |
architecture |
taxon, plant |
Having stems that do not differ distinctly in size, shape and/or constitution. |
|
homogamous 1 |
|
maturation |
bisexual flower |
Having the androecium and gynoecium become functionally mature concurrently. |
|
homogamous 2 |
|
reproduction |
plant, inflorescence |
Having flowers that do not differ in sexual constitution. |
|
homomorphic |
> homocladic, homophyllous, homostylous |
architecture |
|
Occurring in only one form within the taxon in point. |
|
homophyllous |
< homomorphic |
architecture |
taxon, plant |
Having leaves that do not differ distinctly in size and/or shape. |
|
homosporous |
|
reproduction |
taxon |
Producing only one type of spore, each spore giving rise to a gametophyte that bears gametangia of both sexual types. |
|
homostylous |
< homomorphic |
architecture |
taxon, plant, flower |
Having styles that do not differ distinctly in size and/or shape. |
|
honeycombed |
= alveolate |
relief |
|
Having generally uniform, regularly and closely disposed, transversely polygonal depressions overall, the pattern resembling the external aspect of a honeycomb. |
|
hood |
= cucullus |
STRUCTURE |
|
A hood-shaped structure or component, esp. in an inflorescence or flower. |
|
hood-shaped |
= cucullate, cuculliform |
solid shape |
|
Convex or compressed-convex overall with a distal peak or ridge, relatively thin-walled and essentially hollow with the interior open to one side below the distal portion; resembling a hood or cowl. See also helmet-shaped (galeate, galeiform), which overlaps conceptually. |
|
hooded |
= cucullate |
architecture |
|
Bearing, incorporating, or surmounted by a hood-shaped structure. |
|
hook-shaped |
= unciform |
solid shape |
|
Very slenderly elongate with a more or less straight proximal portion and a recurved terminal portion, the whole resembling a hook. |
|
hooked |
= hamate, uncinate |
apex |
|
Having a recurved terminal portion that resembles a hook. |
|
horizontal |
|
orientation |
|
Parallel to the horizon, perpendicular to the force of gravity. |
|
horn |
= corniculum |
STRUCTURE |
|
A straight or curved, slenderly conic or conoidal protrusion or terminal portion that resembles an animal horn. |
|
horn-shaped |
= corniform |
solid shape |
|
Straight or curved and slenderly conic or conoidal, like an animal horn. |
|
horned |
= corniculate |
apex |
|
Bearing one or more horns (cornicula). |
|
horny |
= corneous |
texture |
|
Hard, dense, fine-grained or compactly fibrous, and tough; resembling the substance of animal horn. |
|
horseshoe-shaped |
= hippocrepiform |
solid shape |
|
Relatively slender and strongly compressed, the whole strongly curved over its length in a plane perpendicular to the direction of compression and forming an incomplete circle, the ends somewhat straighter than the rest and parallel or nearly so; like a horseshoe. |
|
husk |
|
STRUCTURE |
|
A more or less dry, hard or fibrous, simple or compound enclosure or outer layer of a seed, fruit or inflorescence. |
|
hyaline |
= pellucid; > translucent, transparent |
coloration |
|
Transmitting light uniformly. |
|
hydathode |
|
STRUCTURE |
|
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. |
|
hydrocyanic |
= almondy |
odor |
|
Pungently fruity like almonds, due to the presence of hydrocyanin or a closely related compound. |
|
hygroscopic |
|
architecture |
structure |
Increasing or decreasing in size according to the presence or absence of surrounding moisture, due to differential swelling or shrinking of component anatomical structures. |
|
hypanthium 1 (broad sense) pl. hypanthia |
= floral cup (broad sense), floral tube |
STRUCTURE |
|
A complex structure comprising fused portions of the perianth and/or androecium of a flower, sometimes also including receptacular tissue; surrounding and wholly, partly, or not at all adnate to the gynoecium; subdivided morphologically into casing, collar and/or neck; sometimes bearing free distal portions of the constituent structures. |
