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prothallus pl. prothalli |
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STRUCTURE |
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A very diminutive thallus that is reproductively mature and undergoes no further growth; in Polypodiophyta, Pinophyta. |
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coalescent |
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fusion |
equivalent and/or dissimilar structures |
Partially and irregularly coherent and/or adherent. |
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panicle |
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nominative |
inflorescence |
A compound (branched) raceme, the elongate main axis either determinate or indeterminate, its lateral branches racemose. |
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sepal |
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STRUCTURE |
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One of the one or more constituent members of a calyx; usually green and leaf-like, but sometimes with color and/or texture otherwise, sometimes petaloid; may be distinct or else connate with one or more others and/or may be free or else adnate to one or more other floral structures. |
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umbellate |
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architecture |
inflorescence |
Comprising one or more umbels. |
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mammose |
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solid shape |
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Having mammae. |
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adventitious |
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derivation |
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Arising more or less unpredictably from an organ, tissue, or site that is an unusual, abnormal, or atypical origin for structures of its type. |
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follicle |
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nominative |
fruit |
Dry, longitudinally dehiscent, one-locular, one- to many-seeded and derived from a single, superior, simple ovary; dehiscing along a single adaxial suture. |
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complex |
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architecture |
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Comprising two or more basic structural entities, at least two of which are dissimilar. |
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inframedial |
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position |
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Slightly below the middle of the structure in point. |
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eccentric |
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position |
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Having a center or axis of symmetry not coincident with that of the context of reference. |
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radicle |
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STRUCTURE |
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The primary root, or its primordium, in an embryo; the portion of an embryo axis that develops into the root. |
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contortuplicate 2 |
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vernation |
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Folded and twisted. |
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involute 1 |
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margin |
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Rolled adaxially. |
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pericolpate |
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architecture |
pollen grain |
Having more than three surficial grooves (colpi) oriented such that some or all of them cross meridians. |
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…morphic |
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architecture |
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Existing within the taxon in the number of distinct structural states indicated by the prefix, the states segregated in different sets of plants or not; as in monomorphic, polymorphic, trimorphic. |
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suture |
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FEATURE |
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An evident line of ontogenetic union. |
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annual 2 |
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nominative |
plant |
Of annual duration. |
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glandular 1 |
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architecture |
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Having one or more glands. |
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costal |
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position |
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Upon or otherwise directly associated with the costa(e) of a laminar structure. |
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spicate |
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architecture |
inflorescence |
Comprising one or more spikes. |
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capsular |
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architecture |
fruit |
Having the structure and texture of a capsule. |
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equal |
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size |
equivalent structures |
Essentially uniform in extent. See also subequal, unequal. |
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nectariferous |
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exudation |
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Producing and secreting nectar; when glands are nectariferous, they are usually indicated nominatively as nectaries. |
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rhytidomal |
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position |
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Within, upon, or otherwise directly associated with the bark. |
