Caren Blog

Saturday, March 28, 2009

One seeded fruits


http://cugyhi.no-ip.org/papid/
one seeded fruits

The dehiscent one-seeded fruits of Amaranthus (Amaranthaceae) are often called circumscissile utricles because the top half of the fruit separates, exposing a shiny black seed.
one seeded fruit with seed free from pericarp.(sunflower) Sunflower: nut: similiar to an achene, but one seeded by abortion and partially (acorn) or entirely
Dry one-seeded fruit of dock (Rumex) cut vertically. ,ov, Pericarp formed from ovary wall; s, seed; e, endosperm; pl, embryo with radicle pointing upwards and cotyledons downwards
C. Indehiscent Dry Fruits (Do Not Split Open At Maturity) 1. Achene: Small, one-seeded fruit; pericarp free from seed coat. Note: In the grain or caryopsis, the pericarp is fused
Achene : A dry, indehiscent, one-seeded fruit with ovary wall free from seed; sunflower seed.
A nut can be defined as a one- seeded fruit. With that loose definition, a coconut can also be a nut. However, a coconut is not a true nut. A true nut, such as the acorn, are
Carduus nutans (nodding plumeless thistle) - The dry, one-seeded fruits are carried on the wind by plumose "parachutes". Typha latifolia (broadleaf cattail) - The brown
Achene - small, hard, indehiscent, one-cavitied, one-seeded fruit with a thin, almost inseparable wall, as in Helianthus
Achene - a small, dry, hard, indehiscent fruit, one-seeded, nut-like, often mistaken for a seed. Examples: sunflower, lettuce, strawberry, buttercup.
Small, one-seeded fruit; pericarp is easily separable from seed coat "Dry" fruit of strawberry, buckwheat, and sunflower family (Compositae) Samara

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