bract 1 (broad sense) |
> bracteole, bractlet, phyllary, prophyll(um); >< scale |
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Any lateral structure ontogenetically and anatomically analogous with, and therefore presumably homologous with, but relatively smaller than, a leaf, especially when subtending an inflorescence, other reproductive structure, or portion thereof; putatively, an evolutionarily reduced leaf. |
enation |
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A relatively small outgrowth from an otherwise regular boundary or surface of a larger structure. |
rhachilla |
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See rachilla. |
phyllopodium pl. phyllopodia |
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A stem-like axis composed of fused leaf bases; esp. in Arecaceae (Palmae), Musaceae. |
spicule |
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A small, fine, stiff, acute protrusion that resembles a little spike. |
funicle |
= funiculus; < stalk |
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A stalk that attaches an ovule to a placenta of the ovary wall. |
corolla tube 2 |
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The portion of the corolla of a bisexual or staminate disc floret proximal to the level of filament insertion; in Asteraceae (Compositae). |
stipe 1 |
< stalk |
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A small, slender connection between a pollinium caudicle and a viscidium; in Orchidaceae. |
perianth |
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Collectively, all the sterile, primary, lateral organs (tepals, or sepals and/or petals) of a flower; inserted upon the floral axis immediately beneath (proximal to) the reproductive organs (androecium and/or gynoecium) and surrounding them, often protectively; lacking in some taxa; the individual members typically laminar and more or less foliaceous; widely regarded as consisting of the evolutionarily modified leaves of a fertile shoot; the constituent members undifferentiated with respect to one another, or else differentiated into more or less distinct floral envelopes (calyx and corolla), one or the other of which is deemed lacking in some taxa due to evolutionary reduction following differentiation. |
segment |
? division, lobe |
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Any generally convex, major peripheral protrusion or component sector that is delimited by concavities in the surface or margin and that is not proximally distinct from the remainder of the whole. |
ligule 1 |
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A strap-shaped enation from or distal portion of a structure. |
gynaecium |
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See gynoecium. |
bract 2 (strict sense) |
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STRUCTURE |
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Any primary or first-order lateral structure ontogenetically and anatomically analogous with, and therefore presumably homologous with, but relatively smaller than, a leaf, especially when subtending an inflorescence, other reproductive structure, or portion thereof; putatively, an evolutionarily reduced leaf. |
crest |
= crista |
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A laterally elongate, relatively thin, irregular or notched, apical protrusion. |
torus 1 pl. tori |
= receptacle |
STRUCTURE |
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The relatively short, simple, axial structure surmounting a pedicel and basal to the flower, usually broader than the pedicel. |
strophiole |
= caruncle |
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An outgrowth from the seed coat (testa) around or near the hilum and micropyle, or from the raphe. |
rhachis |
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STRUCTURE |
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See rachis. |
disc 1 var. disk |
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STRUCTURE |
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Any distinct, annular to discoid structure produced from or borne upon a floral receptacle between or basal to any of the sets of floral organs; usually fleshy, often nectariferous. |
corona pl. coronae, coronas |
> gynostegium |
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A crown-like set of connate or distinct appendages or enations borne upon a corolla or androecium or between them. |
stipe 2 (broad sense, not recommended) |
< stalk; > gynophore, hypogynium, peduncle, petiole |
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A stalk of or supporting a frond, inflorescence, or gynoecium. |
perianth tube |
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STRUCTURE |
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A relatively narrow, fully connate portion of a syntepalous (gamotepalous) perianth proximal to a broader portion (limb) that comprises the distinct or connate distal portions of the tepals. |
antheridium pl. antheridia |
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STRUCTURE |
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A male gametangium; a multicellular fertile organ of a mature gametophyte within which male gametes (antherozoids, spermatozoids) are produced and from which they are discharged, in some taxa forcibly, through a pore. Technically present but highly reduced and of no descriptive significance in Magnoliophyta and part of Pinophyta. |
ligule 2 |
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An adaxial, distal enation from a leaf sheath, especially in most grasses (Poaceae) and sedges (Cyperaceae); usually unitary and membranous, sometimes instead consisting of a row of ciliate processes. See also hastula. |
gynandrium pl. gynandria |
= column, gynostemium |
STRUCTURE |
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A central floral structure consisting of the partly to wholly fused (connate and adnate) androecium and gynoecium; esp. in Orchidaceae. |
androecial tube |
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STRUCTURE |
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The tubular portion of an androecium in which the component structures have fused with one another laterally over part or all their lengths. |