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flanged |
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plane shape |
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Having a relatively broad circumferential rim or ridge that protrudes laterally. |
|
prophyllar |
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insertion |
|
Upon or otherwise directly associated with the prophylls (bracteoles, bractlets). |
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villosulous |
|
pubescence |
|
Finely villose (shaggy, villous). |
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adenopetalous 1 |
|
architecture |
flower, perianth, corolla |
Having petals produced from glandular structures. |
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porous |
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porosity |
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Having vessels present. |
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veined |
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architecture |
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Having one or more orders of evident vasculature. |
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antrorse |
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orientation |
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Directed forward or upward, toward the distal end of the context of reference, parallel or at an acute angle to the bearing structure. |
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rachis 2 var. rhachis |
|
STRUCTURE |
|
A main or first-order axis of an inflorescence. |
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gynoecium pl. gynoecia var. gynaecium |
|
STRUCTURE |
|
The pistil(s) of a single flower together with any ontogenetically equivalent or subordinate structures present, taken collectively; the total female (ovule-producing) structural complement of a single flower. It may include one to many pistils, each simple or compound. |
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angular |
|
plane shape |
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Having sides that meet at acute or obtuse angles. |
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asymmetric(al) 1 |
|
architecture |
|
Not divisible into essentially equal halves along any line or plane. |
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retuse |
|
apex |
|
Round overall with an obtuse terminal sinus. |
|
areolate |
|
relief |
|
Having numerous, small, irregularly disposed, transversely angular, shallow depressions or low protrusions overall. |
|
barb 2 |
|
STRUCTURE |
|
A trichome terminated by one or two small, relatively short, stiff, sharp, acutely reflexed appendages. |
|
cap cell |
|
STRUCTURE |
|
The single cell, or one of the several cells, forming the uppermost (distal) portion of an antheridial wall. |
|
secondary root |
|
STRUCTURE |
|
Any root branch that originates directly or indirectly from a primary root. |
|
involucrate 1 |
|
architecture |
inflorescence |
Subtended by an involucre. |
|
chaff 2 |
|
STRUCTURE |
|
Collectively, the glumes, lemmata, and paleae of mature spikelets; in Poaceae (Gramineae). |
|
infrapetiolar |
|
insertion |
bud |
Axillary and surrounded by the petiole base at maturity. |
|
sheathing 2 |
|
base |
laminar structure |
Terete or involute and closely enclosing the supporting axis for some distance above the point of insertion. |
|
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. |
|
coetaneous |
|
maturation |
dissimilar structures |
Maturing concurrently. This adjective is frequently used to mean contemporary maturation of leaves and flowers, but without actually stipulating that those are the structures involved. Such usage is erroneous according to the construction and literal meaning of the term, which properly applies to structures, not to the taxon or plant. See also synanthous. |
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corymbose |
|
architecture |
inflorescence |
Comprising one or more corymbs. |
|
linear 2 |
|
plane shape |
|
Elongate and narrow with the sides more or less straight and parallel over most of its length. |
|
stephanoporate |
|
architecture |
pollen grain |
Having more than three pores disposed equatorially. |
