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median pinnae

Listing 1 - 6 from 6 for median pinnae

Sinopteridaceae [First Draft]
... ca. 1 mm, apex acuminate; ultimate sterile pinnules (segments) shorter. Veins obvious. Sori bearing on median portion of ultimate fertile pinnule (segment), both ends sterile. False indusia entire along margin. ... undulate.          4a. Pinnae conferted, acute at apex, basal pinnae of blade somewhat reduced than adjacent pinnae; basiscopic pinnules same size as acroscopic ones; false indusia ...
hua.huh.harvard.edu

The Cycad Pages
... pinnae not gradually reducing to spines gradually reducing to spines Median pinnae simple dichotomously branched Median pinnae (length) mm long Median pinnae (width) mm wide Median pinnae (insertion angle) Median pinnae (width at base) Median pinnae (spacing) Median pinnae ...
plantnet.rbgsyd.nsw.gov.au

Cycad Society SA: Encephalartos aemulans
... pinnae are set at 135 to each other. Basal pinnae do not overlap and are reduced to prickles towards the base of the leaf. The median pinnae either do not overlap or the lower margin overlaps the upper margin of the pinna below it. The median pinnae ... , almost indistinguishable from E. lebomboensis because of the narrow pinnae, reduced to prickles towards the base of the frond ...
www.cycadsociety.org

Cycad Society SA: Encephalartos altensteinii
... long. The pinnae are lanceolate and moderately spaced along the rachis. Lower pinnae are reduced, but not to spines. Median pinnae are 10-15cm ... variable and plants from the eastern localities have less spiny pinnae. E. altensteinii is closely related to E. natalensis but it can be distinguished by the absence of reduced, spiny pinnae on the petiole. Natural hybrids with E. trispinosus are known ...
www.cycadsociety.org
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Bolbitidaceae [First Draft]
...           14b. Fertile pinnae lanceolate; lateral pinnae 6-15 pairs.         ... lamina 14-40 × 4-10 cm; pinnae 35-50 pairs; central pinnae 2-8.5 cm long, the lowermost two pinnae 0-4 mm stalked. Sporangia inserted ... long, densely covered with scales; scales ovate-lanceolate, ca. 3 cm long, median brunneus, margin brown, subentire. Leaves densely clustered on the upper side of rhizome ...
hua.huh.harvard.edu

The Cycad Pages
... side) not lobed with 1-2 lobes on upper and median leaflets with 2-3 lobes on most leaflets Insertion angle (pinnae to rachis) deflexed horizontal obtuse (45-80 degrees) acute (less ... (no teeth) lightly toothed (1-3 teeth) heavily toothed (more than 3 teeth) Median leaflets (length) cm long Median leaflets (width) mm wide Pollen cones (number) Pollen cones(shape) globose ovoid narrowly ...
plantnet.rbgsyd.nsw.gov.au




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