sagittate


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to sagittate: Sagittarius

sagittate

(săj′ĭ-tāt′)
adj. Biology
Having the shape of an arrowhead: sagittate leaves; sagittate shells.
References in periodicals archive ?
Antennae surpassing frontoclypeal suture with scape sagittate, slightly flattened, in middle line shorter than width at apex (0.
Basal leaves absent; cauline leaves long-petiolate (petiole 1-7 cm long) or rarely uppermost auriculate or sagittate at base, coarsely dentate to pinnately lobed.
Uppermost leaves sessile, auriculate to sagittate 2 1.
6 cm long, base distinctly sagittate, apex obtuse, dorsifixed at 2/5 of its length above the base, versatile and hanging upside down at anthesis, with the margins of the opposed pollen sacs only partially touching each other at anthesis and not completely clasping the connective area; pollen ellipsoidal, sulcate, exine broadly reticulate, lumina rounded, muri narrowed; stigma conduplicate-spiral, ellipsoidal-capitate, blades 0.
12 mm; stamens immature; filaments terete, white, free; anthers linear, 9-10 mm long, base sagittate, apex obtuse, fixed near the base; pollen ellipsoid, sulcate, exine reticulate, lumina polygonal, muri distinctly narrowed; style about equaling the petals in immature state, white; stigma conduplicate, erect, densely papillose, white, blades ca.
14 mm long, base sagittate, apex obtuse, fixed near the base; pollen broadly ellipsoid, sulcate, exine reticulate, lumina rounded, muri narrowed to slightly thickened; style distinctly exceeding the petals, white; stigma conduplicate, erect, densely papilose, white, blades ca.
Flowers subsessile, the lower ones pendulous-secund, corolla yellow; sepals free, 6 mm long, extended 3 mm wide, obovate, asymmetrical, the adaxial ones carinate, obtuse, adaxially glabrous, abaxially densely covered with ferrugineous trichomes, brown to yellow; petals 7 mm long, yellow, spathulate, acute, the blade spreading with recurving apex; stamens basally adnate to the petals; filaments 2-3 mm long, flat, white; anthers sagittate and closely arranged arround the stigma, 1 mm long, yellow; ovary 1.
16 mm long, base sagittate, apex obtuse, fixed near the base; pollen ellipsoidal, sulcate, exine reticulate, lumina rounded, muri narrowed; style distinctly exceeding the petals, white; stigma conduplicate, spreading-contorted, densely papilose, white, blades ca.
5 mm long, dorsifixed near the base, base sagittate, apex acute; Pollen ellipsoid, sulcate, psilate or inconspicuously brochate; Style surpassing the anthers; Stigma simple erect, white, blades spatulate, erect, ca.
3 mm long, fixed at 1/3 of its length above the base, base sagittate, apex acute; Pollen subglobose, sulcate, exine reticulate, lumina polygonal, muri narrow; Stigma conduplicate, suberect-recurved, exceeding the anthers, lobes with margins scalloped-glandulose and undulate.
12 mm long, dorsifixed slightly above the middle, base sagittate, apex subacute and apiculate; pollen broadly oblong-ellipsoid, apparently sulcate, exine psilate to microreticulate; stigma conduplicate-spiral, cylindrical, ca.
2 mm long, fixed near the base, base sagittate, apex apiculate; pollen ellipsoid, sulcate, exine perforate to insulate; stigma conduplicate, white, the styler lobes suberect, ca.