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term synonyms category limitation definition
overlapping 1 = imbricate(d) aestivation Having members whorled or spirally inserted and overlapping one another, each overlapping or overlapped to either side, and also above or below if spirally arranged or in multiple whorls.
overlapping 2 = imbricate(d) arrangement planate structures Overlapping one another laterally and/or longitudinally.
ovoid = egg-shaped solid shape Transversely circular, broadest near a bluntly rounded base, and convexly attenuate to a narrower rounded apex; like a fowl egg. See also obovoid.
…ovulate = …ovuled architecture megasporophyll, ovary Having the number of ovules indicated by the previx; as in biovulate, multiovulate.
ovule STRUCTURE A complex reproductive structure borne by a seed-plant sporophyte, consisting of outer, sporophytic tissues that enclose a haploid, gametogenic tissue usually regarded as a highly reduced megagametophyte. Following fertilization, the entire structure matures to become a seed that contains an embryo, the first stage of the next sporophytic generation. Ovules (and seeds) are borne naked on megasporophylls (in Pinophyta) or within an ovary (in Magnoliophyta).
…ovuled = …ovulate architecture megasporophyll, ovary Having the number of ovules indicated by the previx; as in ten-ovuled.
ovuliferous scale < cone scale, macrosporophyll (not recommended), megasporophyll STRUCTURE A fertile scale in a female cone (megastrobilus), bearing one or two naked ovules, and subsequently seed(s), subtended by and borne closely upon a sterile, fleshy or woody scale sometimes termed a bract scale; in Pinophyta.
pachycaulous architecture plant Having thick, more or less succulent stems.
paired = conjugate, geminate arrangement Inserted by pairs, the members of each fused or not.
palaceous architecture foliaceous structure Having the petiole attached to the abaxial face of the blade at some point within the margin and adnate to it from there to the margin, thus peltate but with the distal portion of the petiole adnate to the blade, the whole shovel- or spade-like.
palate STRUCTURE The lower, prominent labium (lip) of a personate (gaping, ringent) corolla.
pale 1 = palea, palet, receptacular bract STRUCTURE A small papery (chartaceous) to membranous bract borne on the compound receptacle of a capitulum (head) in Asteraceae (Compositae).
pale 2 = palea, palet STRUCTURE The upper or distal of the (usually) two distinctive bracts immediately subtending the flower in a grass (Poaceae) spikelet.
palea 1 pl. paleae, paleas = pale, palet, receptacular bract STRUCTURE A small papery (chartaceous) to membranous bract borne on the compound receptacle (torus) of a capitulum (head) in Asteraceae (Compositae).
palea 2 pl. paleae, paleas = pale, palet STRUCTURE The distal bract of the (usually) two that immediately subtend the flower in a grass (Poaceae) spikelet; the other is the lemma.
paleaceous = chaffy pubescence Of or bearing small, thin, more or less erect, chartaceous (papery) to membranous, planate trichomes.
paleate = chaffy architecture receptacle (torus) Bearing paleae (pales, palets, receptacular bracts); in Asteraceae (Compositae).
palet 1 = pale, palea, receptacular bract STRUCTURE A small papery (chartaceous) to membranous bract borne on the compound receptacle (torus) of a capitulum (head) in Asteraceae (Compositae).
palet 2 = pale, palea STRUCTURE The upper or distal of the (usually) two distinctive bracts immediately subtending the flower in a grass (Poaceae) spikelet.
palinactinodromous venation Compound actinodromous, with higher-order branch radiations above the level of and similar to the primary one.
pallid coloration Relatively pale; not strongly colored.
palmate = digitate architecture foliaceous structure Compound with one order of leaflets all inserted at a common point and diverging from one another; or lobed (cleft, divided, parted, segmented), incised or ribbed in a similar hand-like pattern. Unless qualified to indicate otherwise, this term usually is understood to mean "palmately once-compound." See also …palmate, palmatifid, palmatipinnate, ternate.
…palmate = …digitate architecture foliaceous structure Compound with the number of orders of leaflets indicated by the prefix, each order palmate; as in bipalmate.
palmatifid plane shape Palmately lobate; having three or more lobes whose longitudinal axes radiate from a common point.
palmatifid solid shape Palmately lobate; having three or more lobes whose longitudinal axes radiate from a common point.
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