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bractlet 2 |
= bracteole, prophyll(um); < bract |
STRUCTURE |
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A second- or higher-order bract within, and subtending some portion of, an aggregate branching structure, especially when subtending a flower. |
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corolla tube 1 |
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STRUCTURE |
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A relatively narrow, fully connate portion of a sympetalous (gamopetalous) corolla proximal to a broader portion (limb) that comprises the distinct or connate distal portions of the petals; except in bisexual or staminate disc florets of Asteraceae (Compositae). |
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ray 1 |
< primary axis |
STRUCTURE |
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A first-order axis within a compound umbel. |
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scalloplet |
= crenule |
FEATURE |
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A diminutive scallop (crena). See also sawtooth, sawtoothlet, tooth (dens), toothlet. |
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floral cup 1 (broad sense) |
= floral tube, hypanthium (broad sense) |
STRUCTURE |
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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. |
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solid shape |
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CHARACTER |
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Overall three-dimensional form or aspect(s) thereof. Overlaps conceptually with architecture, arrangement, habit, insertion, orientation, position, relief, and texture (as to thickness). |
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stone |
= pyrene |
STRUCTURE |
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The hard inner portion of a drupe, consisting of osseous endocarp and included seed. |
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incurved |
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orientation |
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Curving adaxially. See also decurved. |
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terete |
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solid shape |
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Elongate and transversely round, gradually attenuate from base to apex; attenuate-cylindric or attenuate-tubular, broadest at the base. See also obterete. |
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indehiscent |
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dehiscence |
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Not splitting or forming an aperture at maturity, the contents being released for dispersal only after decay, digestion, or erosion of the structure. |
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uncinate |
= hamate, hooked |
apex |
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Having a recurved terminal portion that resembles a hook. |
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bicolor(ous) |
< discolor(ous) |
coloration |
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Having two surfaces of different colors; esp. leaves with differently colored adaxial and abaxial surfaces. |
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abaxial |
= dorsal (not recommended) |
position |
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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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apical |
< distal |
position |
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At or very near the developmental end or tip (apex) of a structure. |
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muticous |
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apex |
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Lacking a distinct terminal point (when one might be expected). |
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bifurcate |
< forked, furcate |
apex |
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Having two terminal, antrorse branches or divisions arising from a common point or level, like the prongs of a fork. |
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pithy |
= medullose |
texture |
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Loose or spongy internally, denser and firmer externally. |
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conjugate |
= geminate, paired |
arrangement |
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Inserted by pairs, the members of each fused or not. |
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decussate |
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arrangement |
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Opposite with successive pairs radially oriented at right angles to one another, thus polystichous with four equidistant ranks. |
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saddle-shaped |
= selliform |
solid shape |
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Relatively thin, broad and long, strongly compound-curved, concavely from end to end and convexly from side to side; like the generalized shape of a saddle. |
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fissure |
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FEATURE |
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A relatively narrow, split or crack in the outer tissue(s) of a structure. |
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lamella pl. lamellae |
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STRUCTURE |
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A thin layer of tissue that forms a plate within tissue of lesser density or between areas of empty space. |
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tubular |
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solid shape |
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Cylindric or attenuate-cylindric overall and with a hollow interior open at one or both ends. |
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whorl |
= cycle, series, verticil |
STRUCTURE |
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A set of three or more lateral structures that are inserted around an axis at the same level. |
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angular |
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plane shape |
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Having sides that meet at acute or obtuse angles. |
