pinnate

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pinnate

, pinnated
1. like a feather in appearance
2. (of compound leaves) having the leaflets growing opposite each other in pairs on either side of the stem

pinnate

[′pi‚nāt]
(botany)
Having parts arranged like a feather, branching from a central axis.
References in periodicals archive ?
Phyllotrichia foliar, leav es pinnatifid, little or not differentiated 1.
pinnatifid or pinnatisect) basal leaves, broader, obovate-orbicular fruits 3.
pinnatifid to pinnatisect or pectinate) cauline leaves, and fruiting pedicels glabrous abaxially (vs.
Leaves 6-18 (-22) cm long; lamina oblong/ovate, 50 x 15 to 90 x 40 mm, pinnate-pinnatifid to bipinnatifid with 5-9 lobes on each side, proximal pair of leaflets often free; leaf lobes up to 22 x 15 mm; lobe margins reflexed, grossly serrate to pinnatifid with 2-4 (-6) lobules/teeth on each side, triangular to linear; adaxial leaf surface densely setose with stinging hairs 3-4 mm long, sparsely covered with scabrid trichomes up to 0.
Basal leaves (5-) 10-20 (-25) cm long; lamina narrowly ovate, 50 x 25 to 120 x 60 mm, pinnate-pinnatifid to bipinnatifid with (4-) 7-8 lobes on each side, with proximal pair of leaflets free; leaf lobes up to 40 x 30 mm; lobe margins grossly serrate to pinnatifid with 2-5 lobules/teeth on each side; adaxial leaf surface sparsely setose with stinging hairs 3-5 mm long and densely covered with scabrid trichomes up to 1 mm long; abaxial leaf surface esetulose or with scattered stinging hairs 3-5 mm long on major veins only, scattered scabrid trichomes on major veins, otherwise densely covered with glochidiate trichomes ca.
Leaves monomorphic (sterile and fertile leaves similar); leaves pinnate with pinnatifid leaflets; veins mostly free.
Leaves pinnatifid to pinnatisect, adaxially flat, with simple trichomes; sepals 3-4 mm long; petals 4-5.
39 and 48, although persistent corollas are found in most Ericeae), stigma flabellate to pinnatifid (char.
Ovary (2-)4-5(-14) carpellate, superior to inferior, with usually axile to intruded parietal placentation, rarely apical or basal; ovules 1 to many per carpel, anatropous to nearly campylotropous, unitegmic, tenuinucellate, the embryo sac usually of the Polygonum type; style short to long, hollow, sometimes expanded apically; stigma truncate to capitate or slightly to strongly lobed, sometimes cup shaped, funnel shaped, or flabellate to pinnatifid.