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The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Arthrochilus rosulatus is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber that produces daughter tubers on the end of root-like stolons.It has a rosette of between three and four elliptic to lance-shaped leaves surrounding the base of the flowering stem, each leaf 10–35 mm (0.4–1 in) long and 8–12 mm (0.3–0.5 in) wide.
Spiculaea is a genus of plants defined by a single species, Spiculaea ciliata, commonly known as elbow orchid, [2] and allied to the family Orchidaceae.Endemic to the south-west of Western Australia, the species is unusual in a number of respects; it grows in shallow soil on granite rock outcrops, grows and flowers in the hottest months of the year and has a unique method of using thynnid ...
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
Arthrochilus irritabilis is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber which produces daughter tubers on the end of root-like stolons.It has between three and five narrow lance-shaped, bluish green leaves 30–80 mm (1–3 in) long and 8–14 mm (0.3–0.6 in) wide on side growth at the base of the flowering stem.
Arthrochilus, commonly called elbow orchids, is a genus of about fifteen species of flowering plants from the orchid family (Orchidaceae) and is found in Australia and New Guinea. The flowers are pollinated by male thynnid wasps which attempt to mate with the flower and are held in place by hooks while the pollinium is transferred between ...
Pseudautoicous – dwarf male plants growing on living leaves of female plants. Pseudomonoicous – Pseudoperianth – an involucre that resembles a perianth, but is made of thallus tissue, and usually forms after the sporophyte develops. Rhizautoicous – male inflorescence attached to the female stem by rhizoids.
Arthrochilus apectus is a terrestrial, perennial, deciduous, sympodial herb with an underground tuber which produces daughter tubers on the end of root-like stolons.It has two or three leaves at its base, each leaf 20–50 mm (0.8–2 in) long and 4–10 mm (0.2–0.4 in) wide.