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term synonyms category limitation definition
persistent duration structure Remaining attached and conspicuous until the bearing structure reaches maturity.
personate = gaping, ringent architecture corolla Bilabiate with the upper lip inwardly arcuate, the lower lip prominent and appressed to the upper at the level of the throat or junction of tube and limb, which is thus normally occluded but which gapes, resembling an open mouth, when the whole is compressed laterally.
perulate architecture bud Having outer scales that enclose and protect the embryonic components, from which they differ significantly in texture, shape, size, relief and/or vestiture. See also naked.
petal STRUCTURE One of the one or more constituent members of a corolla; colored and showy in many taxa, inconspicuous in size and/or color in others; 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.
petal-like = petaloid architecture structure Resembling a petal in shape, texture and color.
…petaled = …petalous architecture flower, perianth, corolla Having the number of petals indicated by the prefix; as in five-petaled.
petaloid = petal-like architecture structure Resembling a petal in shape, texture and color.
…petalous = …petaled architecture flower, perianth, corolla Having the number of petals indicated by the prefix; as in pentapetalous.
petiolar insertion Upon or otherwise directly associated with the petioles.
petiolar position Upon or otherwise directly associated with the petioles.
petiolate < stalked architecture leaf Having a petiole.
petiole < stalk, stipe (broad sense, not recommended) STRUCTURE The stalk, when present, of a leaf.
petiolulate < stalked architecture leaflet Having a petiolule.
petiolule < stalk STRUCTURE The stalk, when present, of a leaflet, analogous to the petiole of a leaf.
phanerocotyloid germination seed Having the cotyledon(s) emerging from the seed coat.
phyllary = involucral bract; < bract (broad sense) STRUCTURE One of the bracts composing the involucre of a capitulum (head); in Asteraceae (Compositae).
phylloclade = cladode, cladophyll STRUCTURE A stem segment that functions as a leaf; often more or less compressed.
phyllode = phyllodium STRUCTURE A leaf deemed to consist entirely or almost entirely of tissues evolutionarily derived from the petiole, all or a distal portion of which has become expanded and blade-like, the original blade reduced to the point of absence or vestigiality.
phyllodium pl. phyllodia = phyllode STRUCTURE A leaf deemed to consist entirely or almost entirely of tissues evolutionarily derived from the petiole, all or a distal portion of which has become laminar, the original blade reduced to the point of absence or vestigiality.
phyllopodium pl. phyllopodia STRUCTURE A stem-like axis composed of fused leaf bases; esp. in Arecaceae (Palmae), Musaceae.
piliferous apex Having a distinct, fine, weak, hair-like portion or protrusion.
pilose pubescence Bearing relatively sparse, soft, slender, more or less erect capillate trichomes. See also pilosulous.
pilosulous pubescence Finely pilose.
pinna pl. pinnae < leaflet STRUCTURE One of the first-order divisions or leaflets of a pinnate frond; in Polypodiophyta. See also pinnule.
pinnate > pinnatifid, pinnatisect architecture foliaceous structure Compound with one order of leaflets inserted at different points along and to either side of the axis, from which those on each side diverge more or less in parallel; or lobed (cleft, divided, parted, segmented), incised or ribbed in a similar, feather-like pattern. Unless qualified to indicate otherwise, this term usually is understood to mean "pinnately once-compound." See also imparipinnate, palmatipinnate, paripinnate, …pinnate, pinnatifid.
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