American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Divided or cleft in a pinnate fashion. Used of certain leaves.
Century Dictionary and Cyclopedia
- In botany, cut or cleft in a pinnate manner, with the divisions half-way down or more, and the sinuses or lobes narrow or acute. Also pinnisected.
- adj. botany, of leaves Having lobes with incisions that extend less than half-way toward the midrib.
GNU Webster's 1913
- adj. (Bot.) Divided in a pinnate manner, with the divisions not reaching to the midrib.
- adj. (of a leaf shape) cleft nearly to the midrib in broad divisions not separated into distinct leaflets
“EREMOPHILA MITCHELLII; a singular little POLYGONUM with the aspect of a TILLOEA; two very distinct little FRANKENIAS101, and a new scabrous HALORAGIS with pinnatifid leaves. 102 The extensive burning by the natives, a work of considerable labour, and performed in dry warm weather, left tracts in the open forest, which had become green as an emerald with the young crop of grass.”
“THYSANOTUS ELATIOR was again found here; and a shrubby CRUCIFEROUS plant, quite woody at the base, with very narrow linear setaceous pinnatifid leaves,173 and linear curved torulose silicules.”
“I observed a curious tendency to anastomosis, or self-grafting in the roots of Morus: this in its young state often has pinnatifid artacarpoid leaves.”
“Pinnæ lanceolate, deeply pinnatifid, the lower most often turned inward.”
“An unusually large and rare form with triangular, lanceolate, and pinnatifid pinnules, having blunt, oblong segments.”
“Fronds twice pinnate with the lower pinnules pinnatifid”
“Fronds oblong-lanceolate, five to twelve inches long, twice pinnate, the pinnæ often pinnatifid or cut-toothed, ovate-lanceolate, decurrent on the winged rachis.”
“Fronds one to three feet high, scattered along a creeping rootstock, broadly triangular, deeply pinnatifid, with segments sinuately lobed or nearly entire.”
“Primary pinnæ in outline like the frond; the secondary, pinnatifid into oblong and obtuse, cut-toothed lobes.”
“Pinnæ lanceolate, pinnatifid, the lowest pairs gradually shorter and deflexed.”
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