Definition of Costule. Meaning of Costule. Synonyms of Costule

Here you will find one or more explanations in English for the word Costule. Also in the bottom left of the page several parts of wikipedia pages related to the word Costule and, of course, Costule synonyms and on the right images related to the word Costule.

Definition of Costule

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Meaning of Costule from wikipedia

- obtuse (blunt) at the tip, and are generally attached directly to the costule (pinnule axis), without stalks. They are not jointed at the base. The sori...
- costa and costules; dorsal surface often glaucous and with often imbricate lanceolate lacerate brown scales up to 3 mm. long along the costules and costae...
- Scattered tiny hairs are present on the underside (only) of the costae, costules, and some veins. Sori are at the edge of the leaf with straw-colored pseudoindusia...
- flat whorls, separated by shallow sutures, adorned with small oblique costules at the lower part. These straighten up abruptly and cover the entire surface...
- specific epithet (costuligera) is derived from the Latin costula, meaning "a costule or rib" (strictly the midrib of a fern frond) and -ger meaning "-bearing"...
- bear from one to three pairs of sori per pinnule on both sides of the costule (pinnule midvein). They are covered by indusia 2 to 5 millimetres (0.08...
- base rounded-blunt, above nearly glabrous, beneath particularly along the costules and venules beset with very short hairlets ; sti****s almost deltoid, incised...
- stipe. The rachis (leaf axis) is straight, and the rachis, costae and costules (axes of leaflets and leafules) are all shiny and chestnut-brown in color...
- adaxial sulcus of the rachis is continuous with that of the costae and costules. The name of the genus references the name given to imperial guards from...
- edges are bluntly serrated or shallowly lobed less than half-way to the costule, abaxially decurrent, and the apex is obtuse. Sori 2–3 mm long, 3–5 per...