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runcinate |
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plane shape |
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Basically obovate with a series of retrorse, acute lobes on either side, these diminishing in size toward the base. |
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lineolate 2 |
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relief |
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Finely lineate, the depressions or protrusions short and often irregularly oriented. |
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tuber |
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STRUCTURE |
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An enlarged, basically subterranean stem segment or thallus outgrowth containing a high proportion of storage tissue and functioning as a perennating and often vegetatively propagative structure. |
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runner |
= stolon |
STRUCTURE |
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A slender stem that grows horizontally upon or just beneath the ground surface, rooting at the nodes and giving rise to erect shoot segments at some nodes and/or at its apex. |
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floret |
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STRUCTURE |
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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). |
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semiterete |
= half-terete |
solid shape |
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Terete but flattened on one side. |
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odorless |
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odor |
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Lacking a distinct odor. |
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calyptra pl. calyptrae |
|
STRUCTURE |
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A distal hood- or lid-like portion that detaches as a unit from the remainder of the structure; esp. in some Papaveraceae the unopened calyx that separates from the rest of the flower at anthesis. |
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horn-shaped |
= corniform |
solid shape |
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Straight or curved and slenderly conic or conoidal, like an animal horn. |
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striate 1 |
= streaked |
coloration |
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Having an overall pattern of fine, more or less parallel, lines of contrasting hue and/or intensity. |
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corticate |
= hard-coated |
texture |
|
Having a hard exterior layer and a distinct, softer interior. |
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dorsal (not recommended) |
= abaxial |
insertion |
|
On or pertaining to the side or portion of a lateral structure that faces (or would face) away from the bearing axis when (or if) the axis of the lateral structure is (or were) oriented in the same general direction as the bearing axis. |
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bractleted |
= bracteolate |
architecture |
|
Bearing or subtended by one or more bractlets (bracteoles, prophylls). |
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quincunx |
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aestivation |
|
Imbricate in one whorl of five members, two wholly exterior, two wholly interior, and one partially exterior and partially interior. |
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microstrobilus |
= male cone |
STRUCTURE |
|
A strobilus (cone) whose fertile organs are all microsporophylls. |
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ventral (not recommended) |
= adaxial |
insertion |
|
On or pertaining to the side or portion of a lateral structure that faces (or would face) toward the bearing axis when (or if) the axis of the lateral structure is (or were) oriented in the same general direction as the bearing axis. |
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glochidium pl. glochidia |
= glochid; < bristle, capillus, hair, seta, trichome |
STRUCTURE |
|
A capillus (hair) or bristle (seta) that bears one or more barbs; esp. in Cactaceae. |
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spatulate var. spathulate |
= spatula-shaped |
plane shape |
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Elongate, broadest near a rounded apex, gradually attenuate to a narrower base; like the outline of the broad face of a spatula blade. |
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cilium 2 pl. cilia |
|
STRUCTURE |
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A motile hair- or whip-like structure extending from the surface of a cell. |
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placenta-shaped |
= placentiform |
solid shape |
|
Thickly discoid (disciform); like the generalized form of a human placenta. |
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involute 1 |
|
margin |
|
Rolled adaxially. |
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ring-porous |
|
porosity |
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Heterogeneously porous, with macroscopically distinct concentric seasonal growth increments (rings), each with numerous large vessels toward the inside and fewer and smaller ones toward the outside. |
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contiguous |
|
arrangement |
|
Touching one another. |
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archegonium pl. archegonia |
|
STRUCTURE |
|
A female gametangium; a multicellular fertile organ of a mature gametophyte within which female gametes (eggs, ova) are produced and fertilized; having a broad, bulbous base and a narrower distal neck. Technically present but highly reduced and of no descriptive significance in Magnoliophyta. |
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bifurcate |
< forked, furcate |
apex |
|
Having two terminal, antrorse branches or divisions arising from a common point or level, like the prongs of a fork. |
