''Frasera tubulosa'' (

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Swertia tubulosa'') is a species of flowering plant in the gentian family known by the common name Kern frasera.

Distribution

The gentian is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, where it is known only from the southern

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...

, primarily within the

Sequoia National Forest Sequoia National Forest is located in the southern Sierra Nevada mountains of California. The U.S. National Forest is named for the majestic Giant Sequoia (''Sequoiadendron giganteum'') trees which populate 38 distinct groves within the boundar ...

and

Sequoia National Park Sequoia National Park is an American national park in the southern Sierra Nevada (U.S.), Sierra Nevada east of Visalia, California. The park was established on September 25, 1890, and today protects of forested mountainous terrain. Encompassing ...

. The plant grows in open mountain areas, and in foothill chaparral and woodlands

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

Description

''Frasera tubulosa'' ''Frasera tubulosa'' is a perennial herb growing just a few centimeters tall to about a meter in maximum height. The pointed, lance-shaped basal leaves are up to 9 centimeters long. They are green with white margins, and they tend to have downcurved tips. Smaller leaves are arranged in whorls higher on the stem. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is an open

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

of flowers atop the stem. Each flower has a calyx of four pointed

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s and a bell-shaped corolla of four pointed lobes each roughly a centimeter long. The corolla is white or blue-tinged with light blue veining. There are four

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s tipped with large anthers and a central

ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. ...

References

External links

Jepson Manual Treatment: ''Frasera tubulosa''''Frasera tubulosa'' — Photo gallery
tubulosa Endemic flora of California Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of Kern County, California Natural history of Tulare County, California ~ ~ Flora without expected TNC conservation status {{Gentianales-stub