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Cone snails have a large variety of shell colors and patterns, with local varieties and color forms of the same species often occurring. This variety in color and pattern has led to the creation of a large number of known synonyms and probable synonyms, making it difficult to give an exact taxonomic assignment for many snails in this genus.
A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone , or in formal botanical usage a strobilus , pl. : strobili , is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads .
Track spikes create traction by penetrating the track surface. Some tracks do not allow pin spikes and limit the length of pyramid spikes to minimize damage to the track. A variation for synthetic tracks is the Christmas Tree spike. It uses a terraced cone shape with a flat end designed to compress rather than penetrate the track below it.
Conidae, with the current common name of "cone snails", is a taxonomic family (previously subfamily) of predatory sea snails, marine gastropod molluscs in the superfamily Conoidea.
For higher speeds a more smoothly contoured transition between cone angles may be used in what is known as an isentropic spike (Marquardt RJ43 ramjet). [ 6 ] The conical body may be a complete cone centerbody in a round inlet ( MiG-21 ), a half cone in a side-fuselage inlet ( Lockheed F-104 Starfighter ) or a quarter cone in a side-fuselage ...
The female cones are small and stalkless and grow in short spikes on the branches. The scales grow in two opposite rows that spread at the base during pollination. They then close into a corky, leathery cone with five or more ovules at the base of each scale. The cones become woody as they mature.
The cones are terminal, the male (or pollen) cone is a spike up to 20 cm (7.9 in) long which matures around October to November. [7] [8] ...
Female cones Male spike. Allocasuarina acutivalvis is a species of flowering plant in the family Casuarinaceae and is endemic to the southwest of Western Australia. It is a dioecious shrub to small tree that has erect branchlets, the leaves reduced to scales in whorls of 10 to 14, the fruiting cones 15–35 mm (0.59–1.38 in) long containing winged seeds (samaras) 6–12 mm (0.24–0.47 in) long.
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