flexuous var. flexuose |
= zig-zag |
course |
|
Having alternating angular bends to either side, more or less straight between the bends. |
floating 1 |
|
habit |
plant |
Buoyant and growing entirely at or near the surface of water, not rooted in any substrate. |
floating 2 |
|
location |
|
At or upon the surface of water. |
floccose |
< tufted |
pubescence |
|
Bearing tufts of soft, fine, capillate trichomes that rub off easily. |
floral |
|
insertion |
|
Upon, within, or associated with the flowers. |
floral |
|
position |
|
Upon, within, or associated with the flowers. |
floral cup 1 (broad sense) |
= floral tube, hypanthium (broad sense) |
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. |
floral cup 2 (strict sense) |
= hypanthium (strict sense) |
STRUCTURE |
|
A marginal protrusion from or enlargement of the receptacle (torus) of a flower, encircling and wholly, partly or not at all adnate to the gynoecium, bearing the perianth and androecium. |
floral tube |
= floral cup (broad sense), hypanthium (broad sense) |
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. |
floret |
|
STRUCTURE |
|
A very small, structurally specialized flower, especially when occurring in capitulum (head; Asteraceae), or in a spikelet (Poaceae), where it includes the immediately subtending bracts (lemma and palea). |
floricane |
|
STRUCTURE |
|
A biennial or perennial stem after it has begun flowering, when that does not occur until at least its second season of growth; applied especially to the stems of brambles (Rubus spp.). |
floriferous |
= flower-bearing |
architecture |
plant, structure |
Bearing flowers. |
flower |
|
STRUCTURE |
|
A functionally integrated, complex structure comprising sets of sporophytic and/or associated sterile structures disposed in standard sequence along a common axis; consisting of one or more constituent members each of, in ascending (proximal to distal) order of insertion, perianth (tepals, or else sepals and/or petals), androecium (stamens, staminodes and/or other associated structures), and/or gynoecium (pistils and/or other associated structures), the foregoing all borne laterally from the distal portion (receptacle) of the axis; depending upon the combination of structures present, may be bisexual, staminate only, pistillate only, or sterile; characteristic of and unique to the Magnoliophyta (Angiospermae). When a fertile androecium and gynoecium are both present a flower is termed perfect. When perfect and also with calyx and corolla both present, a flower is termed complete. Both terms are somewhat archaic and of limited descriptive value. |
flower-bearing |
= floriferous |
architecture |
plant, structure |
Bearing flowers. |
flush |
|
prominence |
|
Even with the surrounding surface, neither higher nor lower than its general level. |
fluted |
|
solid shape |
|
Having rounded to angular longitudinal grooves. |
foliaceous |
= leaf-like |
architecture |
structure |
Resembling a leaf in shape, texture and color. |
foliar |
|
insertion |
|
Upon or otherwise directly associated with the leaves. |
foliar |
|
position |
|
Upon or otherwise directly associated with the leaves. |
foliate |
= leaf-bearing |
architecture |
plant, stem |
Bearing leaves. |
foliose 1 |
|
architecture |
stem |
Bearing many leaves. |
foliose 2 |
|
architecture |
thallus |
Having leaf-like lobes; in Hepaticae. |
follicetum pl. folliceta |
|
STRUCTURE |
|
An aggregate of follicles produced from a single flower with multiple simple pistils. |
follicle |
|
nominative |
fruit |
Dry, longitudinally dehiscent, one-locular, one- to many-seeded and derived from a single, superior, simple ovary; dehiscing along a single adaxial suture. |
forked |
= furcate; > bifurcate |
apex |
|
Having two or more terminal, antrorse branches or divisions arising from a common point or level, like the prongs of a fork. |