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barbellulate |
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architecture |
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Bearing one or more barbellules (barbellulae). |
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didynamous |
|
architecture |
flower, androecium |
Diadelphous with two stamens in each set. See also tetradynamous. |
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sub-basifixed |
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fixation |
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Attached just above its base. |
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biennial 2 |
|
nominative |
plant |
Of biennial duration. |
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sheath (leaf) |
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STRUCTURE |
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The lower (basal or proximal), fundamentally laminar but strongly involute portion of one of the non-petiolate leaves characteristic of most monocotyledons (Liliidae); distinct from the leaf blade, which, when present, is borne distally upon it; analogous, though not necessarily homologous, with a petiole; usually more or less completely enclosing a portion of the stem above the node from which the leaf is borne. |
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flush |
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prominence |
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Even with the surrounding surface, neither higher nor lower than its general level. |
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inferior 1 |
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insertion |
indusium |
Inserted at the base of the sorus. |
|
size |
|
CHARACTER |
|
Nature as to absolute or comparative extent in any one dimension or in area or volume. |
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ventrifixed |
|
fixation |
|
Attached on the adaxial side well above the base. |
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alternate 1 |
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arrangement |
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Inserted singly along the axis, each at a different level and each diverging on a different radius than the ones next above and below. |
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connective |
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STRUCTURE |
|
The tissue between and joining the laterally opposed thecae of an anther, connecting them with the distal end of the staminal filament when the latter is present. |
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intravaginal |
|
position |
|
Within the leaf sheath. |
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perennate |
|
duration |
structure |
Persisting in a functional state through the entire growing season. |
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watery |
|
texture |
|
Liquid and weakly cohesive, flowing freely; like water. This term often implies also transparency. |
|
embryotega pl. embryotegae, embryotegas |
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STRUCTURE |
|
A small, hardened, lid-like portion of the testa (seed coat) at the micropyle of some seeds, detaching at germination. |
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spicate |
|
architecture |
inflorescence |
Comprising one or more spikes. |
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rhytidomal |
|
position |
|
Within, upon, or otherwise directly associated with the bark. |
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taprooted |
|
architecture |
plant |
Having a taproot. See also diffuse-rooted, fibrous-rooted. |
|
cap cell |
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STRUCTURE |
|
The single cell, or one of the several cells, forming the uppermost (distal) portion of an antheridial wall. |
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knee root |
|
STRUCTURE |
|
A specialized secondary root of a wetland tree, a portion of which projects above mean water level and appears to bend as a leg does at the knee, its distalmost portion being anchored in the substrate beneath the water. The knee of the root is commonly regarded as a conduit for gas exchange between root interior and atmosphere, a function whose need is posited on the basis of the highly anaerobic and saturated conditions prevailing in wetland substrates. |
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epiphyllous |
|
position |
|
Upon the leaves, or partially adnate thereto and apparently arising therefrom. |
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xerocleistogamous |
|
reproduction |
flower |
Normally chasmogamous but facultatively cleistogamous during drier than normal periods. |
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naked 1 |
|
architecture |
|
Lacking a covering that might have been expected. |
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thermocleistogamous |
|
reproduction |
flower |
Normally chasmogamous but facultatively cleistogamous during periods of lower-than-normal temperature. |
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catadromous |
|
venation |
|
Having the first lateral vein in each pinna or primary segment of the frond arise from its midvein on the side toward the base of the frond, the pinnule or secondary segment that it leads to often disproportionately larger than the next distal ones. |
