''Vancouveria chrysantha'' is a species of flowering plant in the

barberry family The Berberidaceae are a family of 18 genera of flowering plants commonly called the barberry family. This family is in the order Ranunculales. The family contains about 700 known species, of which the majority are in '' Berberis''. The species ...

known by the common names golden inside-out flower and Siskiyou inside-out flower.Flora of North America: ''Vancouveria chrysantha''
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Description

''Vancouveria chrysantha'' is a rhizomatous perennial herb with a short, mostly underground stem. It produces a patch of basal leaves which are each made up of round, shallowly lobed leaflets borne on long, reddish petioles. The inflorescence appears in the spring to early summer. It is a

raceme A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

of flowers on a long, erect

peduncle Peduncle may refer to: *Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed *Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body **Peduncle (art ...

with hairy, glandular branches. Each drooping flower has six inner sepals which look like petals. They are bright yellow, up to a centimeter long, and reflexed back, or upwards, away from the flower center. Lying against the sepals are the smaller true petals, which are also bright yellow, curled, and hood-like. There are six

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 and a large glandular

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. ...

Distribution

The plant is native to northwestern California and southwestern Oregon. It occurs in the Klamath Mountains below . It grows in dry mountain habitat in

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

and forests, often on

serpentine soil Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially anti ...

References

External links

Jepson Manual eFlora (TJM2) treatment of ''Vancouveria chrysantha'' (Siskiyou inside-out flower)U.C. CalPhotos gallery: ''Vancouveria chrysantha''
chrysantha Flora of California Flora of Oregon Flora of the Klamath Mountains Natural history of the California chaparral and woodlands Flora without expected TNC conservation status {{Berberidaceae-stub