''Trautvetteria'' is a genus of flowering plants in the
buttercup family
Ranunculaceae (buttercup or crowfoot family; Latin "little frog", from "frog") is a family of over 2,000 known species of flowering plants in 43 genera, distributed worldwide.
The largest genera are ''Ranunculus'' (600 species), ''Delphinium' ...
. Today it is often considered a monotypic genus, containing only one species, ''Trautvetteria caroliniensis'',
[Flora of North America: ''Trautvetteria'']
/ref> which is known by the common names Carolina bugbane, false bugbane, and tassel-rue. A second species, ''T. japonica'', is now generally considered a variety of this species.[Flora of North America: ''T. caroliniensis'']
/ref> The genus is named for the botanist Ernst Rudolf von Trautvetter
Ernst Rudolf von Trautvetter (20 February 1809, in Jelgava – 24 January 1889, in St. Petersburg), was a Baltic German botanist, specialising in the flora of the Caucasus and central Asia.
He was the son of Ernst Christian Johann von Trautvette ...
.[
This plant is native to Asia and eastern and western North America. It grows in moist wooded areas and other habitat. It is a ]rhizomatous
In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow ho ...
perennial herb producing an erect stem up to 1.5 meters in maximum height. The large leaf has a palmate blade up to 30 or 40 centimeters wide with deeply divided, pointed, toothed lobes. The blade is borne on a long, slender petiole which may measure up to 45 centimeters long. The leaf is green, darker on top and paler underneath. The inflorescence
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
is a panicle with several clusters of flowers on branches. The flower has no petals and is mostly made up of many long, white stamens each up to a centimeter long. At the center is a spherical cluster of green pistils
Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) '' pistils' ...
. This develops into a spherical cluster of green fruits.
The plant contains protoanemonin
Protoanemonin (sometimes called anemonol or ranunculol) is a toxin found in all plants of the buttercup family (Ranunculaceae). When the plant is wounded or macerated, the unstable glucoside found in the plant, ranunculin, is enzymatically bro ...
, which may cause blistering or skin irritation.Rubus
''Rubus'' is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, with over 1,350 species.
Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Most of the ...
'')
References
External links
Jepson Manual Treatment: var. ''occidentalis''Washington Burke Museum
Ranunculaceae
Monotypic Ranunculales genera
{{Ranunculales-stub