Tofieldia
Encyclopedia
Tofieldia is a small genus of flowering plants often classified in the lily family
; it is also sometimes included in the newer family Tofieldiaceae
. The genus sometimes includes species of genus Triantha
. These are rhizomatous
perennial herbs with spikes or raceme
s of lilylike flowers. They are native to North America and Eurasia.
Species include:
Liliaceae
The Liliaceae, or the lily family, is a family of monocotyledons in the order Liliales. Plants in this family have linear leaves, mostly with parallel veins but with several having net venation , and flower arranged in threes. Several have bulbs, while others have rhizomes...
; it is also sometimes included in the newer family Tofieldiaceae
Tofieldiaceae
Tofieldiaceae is the botanical name of a family of flowering plants in the monocot order Alismatales. The family is divided into five genera, which together comprise 20 or 21 species. They are small, herbaceous plants, mostly of arctic and subarctic regions, but a few extend further south, and...
. The genus sometimes includes species of genus Triantha
Triantha
Triantha is a small genus of flowering plants in the family Tofieldiaceae. Triantha has four species. One of these is endemic to Japan. The other three are native to North America...
. These are rhizomatous
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...
perennial herbs with spikes or raceme
Raceme
A raceme is a type of inflorescence that is unbranched and indeterminate and bears pedicellate flowers — flowers having short floral stalks called pedicels — along the axis. In botany, axis means a shoot, in this case one bearing the flowers. In a raceme, the oldest flowers are borne...
s of lilylike flowers. They are native to North America and Eurasia.
Species include:
- Tofieldia coccinea - northern asphodel
- Tofieldia glabra - smooth tofieldia
- Tofieldia pusillaTofieldia pusillaTofieldia pusilla is a flowering plant of the genus Tofieldia in the family Tofieldiaceae. It is also sometimes classified in the lily family, Liliaceae. Its common name is Scotch false asphodel...
- Scotch false asphodel