Synsets for "basiscopic"

Synset: basiscopic.a.01

Synonyms: basiscopic

Part of Speech: ADJECTIVE

Definition: facing or on the side toward the base


Lemmas: basiscopic



Antonyms: acroscopic


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Article Related Text
Pseudopedate Slosson and Wagner showed that, in fact, the central one of the apparent "pinnae" contains the rachis of the blade; the "pinnules" adorning it are the medial and terminal pinnae. The two basal pinnae not only form the "pinnae" flanking the first "pinna" (containing the rachis), but their basal basiscopic pinnules are enlarged into another set of apparent "pinnae". In a sufficiently large specimen, the basal basiscopic segments of these are also so enlarged into another set, and so forth.
Dryopteris macropholis The pinnae are opposite to subopposite, (11–)13–20 on a side, spreading, ovate-oblong to linear-oblong, apex acuminate, lowermost pinnae the largest, 20–33 × 11–19 cm, with 11–16 pairs of pinnules, slightly inequilateral, basiscopic basal pinnules 7–10.5 cm long, acroscopic basal pinnules shorter, 4–8.5 cm long, lowermost pinnules usually the largest, distal pinnae stalked 3–6 mm becoming sessile, apices pinnatifid; largest ultimate pinnules 12–19 × 4–8 mm, spaced 5–10 mm distant, obtuse to truncate at apices, margins crenate or cut ca. 1/4 –2/3 toward costule, adaxially glabrous, abaxially glabrous except for scattered small, spreading, brown linear scales on rachises; veins forking 1–2 times, scarcely visible to visible on both surfaces, depressed adaxially and prominulous abaxially; each fertile pinnule usually with 1–4 pairs of inframedial sori. Sori with indusia 0.4–0.6 mm in diameter, brown, thick, glabrous. Spores dark brown.
Asplenium bradleyi Among fertile species, "A. bradleyi" most closely resembles its parent species "A. montanum". Several characteristics exit to distinguish them: the pinnae of "A. bradleyi" are toothed and less deeply lobed or cut than "A. montanum" (where the pinnae are often fully cut to pinnules), the dark color of the stipe extends into the rachis, the upper pinnae lack stems, and the overall shape of the leaf blade is parallel-sided, rather than lance-shaped. "A. bradleyi" also shows some resemblance to black spleenwort ("A. adiantum-nigrum") (although their ranges do not overlap). The latter may be identified by its distinctly triangular-shaped leaf blade, more deeply cut leaves (the pinnules of its basal pinnae are lobed), and enlarged basiscopic, rather than acroscopic, pinnules.
Adiantum viridimontanum The ultimate segments of the divided blade (the apparent "pinnules") are borne on short, dark stalks of 0.6 to 1.5 mm, with the dark color often spreading into the base of each segment. They are long and obliquely triangular, the basiscopic margin forming the hypotenuse. The tip of the segments is typically acute, but entire (not pointed). They measure from 9.5 to 22.5 mm in length and 4.2 to 7.5 mm in breadth, the average length being about 2.5 times the breadth. Their tissue is herbaceous (firmly leafy) to chartaceous (parchment-like) in texture, and bright green to bluish-green in color. As in other members of "Adiantum", the glabrous leaves shed water when young. Under shady conditions, the ultimate segments lie within the plane of the blade, but tend to twist out of the plane when grown in the sun. The acroscopic margins of these segments are lobed, with narrow (less than 1.0 mm) incisions lying between lobes. In fertile segments, these lobes are recurved to form false indusia beneath the leaf. These are transversely oblong, from 2 to 5 mm in length and from 0.6 to 1.4 mm in width.