pinnatifid


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pinnatifid

(of leaves) having a LAMINA cut into lobes that reach about halfway towards the midrib.
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Rhizomes long, creeping; fronds 30-130 cm long, monomorphic or dimorphic; blades pinnatifid to pinnate-pinnatifid, ovate-deltoid to ovate-triangular; sori oblong in chain-like rows.
1A); leaves have slender petioles and entire or pinnatifid blades; coenanthia are round-shaped or elliptical, being supported by a long peduncle (Carauta, 1978; Fig.
Agardh's order Fucoidae, and contains 62 species partitioned into seven unnamed groups recognizable by the following morphological characters: (i) axillary receptacles and whole leaves; (ii) axillary receptacles and pinnatifid leaves; (iii) vesicules and leaves of small size (Microphylla); (iv) terminal receptacles; (v) leafy vesicles, and spatulate and inflated leaves; (vi) axes flattened, pinnatifid and foliar, and axillary vesicles and receptacles; (vii) leaves without midribs, receptacles marginal and fixed to leaves, and solitary capsules in each tubercule.
(1.) Leaves strongly dimorphic; sterile leaf blades pinnatifid and net veined, fertile leaf blades 2-pinnate and forming a bead-like cluster ..............
Leaves rosulate; pseudopetiolate; blades elliptic to ovate, pinnately veined, margin entire to lyrate or pinnatifid, glabrous to pubescent.
Rachis straw-colored to greenish; leaves palmately compound or pinnatifid (both leaf types often present on same plant); terminal leaflets from 4-13 cm long: Pteris
Petals white, rudimentary, or absent; uppermost leaves auriculate or sagittate, 6 entire, dentate, pinnatifid, or pinnatisect 6(5).
Sessile, cauline leaves (sometimes improperly called "ligules" on Gunnera): (0) absent; (1) like other leaves, but smaller and sessile; (2) small, straplike; (3) small, shieldlike; (4) budlike; (5) pinnatifid to laciniate.
The frond (leaf blade) of this hybrid is pinnate except for the apex which is usually deeply lobed (pinnatifid).
("ascending"); sporophyll apically dilated into a pinnatifid,
Leaves monomorphic, sterile and fertile (sporulating) leaves similar in appearance and both pinnatifid (deeply lobed); leaves evergreen.