What do you mean by spikelet inflorescence?
spikelet. / (ˈspaɪklɪt) / noun. botany the unit of a grass inflorescence, typically consisting of two bracts (glumes) surrounding one or more florets, each of which is itself surrounded by two bractsSee lemma 1, palea.
In which family spikelet is inflorescence found?
family Poaceae
– The spikes of spikelets inflorescences commonly occur in the family Poaceae. The flowers of Poaceae are arranged in spikelets, and this is a characteristic of the family Poaceae.
What is the type of inflorescence?
Spike – an elongate, unbranched, indeterminate inflorescence with sessile flowers. Spikelet – a small spike, characteristic of grasses and sedges. Raceme – an elongate, unbranched, indeterminate inflorescence with pedicelled flowers. Panicle – a branched raceme.
What is spikelet in agriculture?
By definition a grass spikelet is the unit of the inflorscence of a grass, a member of the Poaceae or Gramineae family of plants. It consists of two glumes and one or more florets. The glumes, lemma and palea are modified leaves that enclose the reproductive parts of the flower.
What is a wheat spikelet?
The wheat spike is made up of a number of spikelets, with a terminal spikelet at its apex; each spikelet generates an indeterminate number of florets attached to a secondary axis, the rachilla (3, 4). The number of grains set per spikelet is determined by the fertility of each floret (5, 6).
Do grasses have stamens?
Plants of the Grass Family We do not normally think of the grasses as flowers, yet they are. They only lack the showy petals and sepals because they are wind pollinated and do not need to attract insects. The flowers typically have 3 (rarely 2 or 6) stamens.
What plant has spikes?
Lavender plants have pleasant flower spikes. Sunflowers are compound flowers in which the individual florets are arranged as a compact spike surrounded by colorful petals. Tulips bear one solitary flower at the tip of the central stalk. Corn is a type of flower spike.
What do flowers have spikes?
List of Spiky Flowers Bulbs, Corms and Tubers. Hyacinths (Hyacinthus orientalis) herald in the spring with spikes of purple, pink, yellow or white fragrant flowers on stems from 8 to 12 inches long. Annuals. Larkspur (Delphinium consolida) blooms in early summer in shades of pinks, purples, blues and white. Biennial. Perennials.
What do plants have spikes?
Acacia,Fabaceae. Acacia trees are often associated with Australia,which makes sense-it takes a tough tree to survive in a tough land.
What are orchid spikes?
Spike is the term commonly used for an orchid’s flower stalk. The spike usually emerges from in between an orchid’s leaves or from an orchid’s crown. It can be easy to confuse a new flower spike with a new root; check out my earlier post for help differentiating the two.