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Rubus Leucodermis
''Rubus leucodermis'', also called whitebark raspberry or blackcap raspberry, is a species of ''Rubus'' native to western North America. Description ''Rubus leucodermis'' is a deciduous shrub growing to , with prickly shoots. While the crown is perennial, the canes are biennial, growing vegetatively one year, flowering and fruiting the second, and then dying. As with other dark raspberries, the tips of the first-year canes (primocanes) often grow downward to the soil in the fall, and take root and form tip layers which become new plants. The leaves are pinnate, with five leaflets on the leaves' hardy stems in their first year, and three leaflets on leaves on flowering branchlets with white (and infrequently light purple) flowers. The fruit is diameter, red to reddish-purple at first, turning dark purple to nearly black when ripe. The edible fruit has high contents of anthocyanins and ellagic acid. ''R. leucodermis'' is similar to the eastern black raspberry (''Rubus occidental ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Douglas (botanist)
David Douglas (25 June 1799 – 12 July 1834) was a Scottish botanist, best known as the namesake of the Douglas fir. He worked as a gardener, and explored the Scottish Highlands, North America, and Hawaii, where he died. Early life Douglas was born in Scone, Perthshire, the second son of John Douglas, a stonemason, and Jean Drummond. He attended Kinnoull School and upon leaving found work as an apprentice to William Beattie, head gardener at Scone Palace, the seat of the Earl of Mansfield. He spent seven years in this position, completing his apprenticeship, and then spent a winter at a college in Perth to learn more of the scientific and mathematical aspects of plant culture. After a further spell of working at Valleyfield House in Fife (during which time he had access to a library of botanical and zoological books) he moved to the Botanical Gardens of Glasgow University and attended botany lectures. William Jackson Hooker, who was Garden Director and Professor of Bot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |