bract

How To Use bract In A Sentence

• In the former, the flowers are monecious or perfect, consisting of imbricated solitary bracts. Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds
• The most important differential characteristics of the section Trionychon are branched stems, bracteolate flowers, an entire and campanulated calyx, a blue or purple corolla, white anthers, and the stigma usually white.
• The floral meristems are formed acropetally and are initiated on the periphery of the inflorescence meristem, being protected by bracts.
• Buds in the axils of the bracts expanded and repeated the pattern; each had a prophyll that remained in the bract axil, a long internode, then a succession of leaves with shorter internodes and a terminal spikelet.
• The calyx, the subtending bracts and the two prophylls bear groups of extrafloral nectaries (single peltate trichomes).
• A broad investigation was initiated into the floral development of 30 taxa out of 15 tribes, focussing on the initiation of bracteoles and on the sequence of sepal initiation.
• Members of Atripliceae are characterized by flowers that are usually unisexual, with a perianth present in staminate flowers, and with pistillate flowers lacking a perianth but having accrescent bracteoles in fruit.
• Mature flowers are scarlet without clear differentiation between bracteoles, sepals or petals.
• Several other plants had flowers borne on pedicels about three cm. long and petiolate bracts, the bracts being about as long as the pedicels.
• It has white flowers in a whorled, bracteate raceme, no spathe, roots with tubers.