Eriogonum longifolium var. gnaphalifolium
Encyclopedia
Eriogonum longifolium Nutt. var. gnaphalifolium Gand (also known as Eriogonum floridanum Small), commonly referred to as Scrub Buckwheat is a dicot of the Polygonaceae
(smartweed or knotweed) family. It is listed as threatened in the US and endangered
in Florida. Within Florida its most closely related species is Eriogonum tomentosum
however there are three other varieties of Eriogonum longifolium
found in other areas of the US.
Scrub buckwheat is found in areas of scrub, flatland and sand hills.
or protective cup found on each branch of its terminal corymb. Flowers are pollinated by a variety of solitary bees, solitary digger wasp
s and twig nesting wasps, flies
and social wasp
s.
According to the US Fish and Wildlife Service there is an active habitat
management program. Also, there is significant interest in studying its fire tolerance and tendency to bloom or to die following prescribed burning
of competing undergrowth.
Polygonaceae
Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family"— "buckwheat family" in the United States. The name is based on the genus Polygonum and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name refers...
(smartweed or knotweed) family. It is listed as threatened in the US and endangered
Endangered species
An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters...
in Florida. Within Florida its most closely related species is Eriogonum tomentosum
Eriogonum tomentosum
Eriogonum tomentosum, commonly referred to as dogtongue buckwheat or dogtongue wild buckwheat, is a species in the Polygonaceae family.-Distribution:...
however there are three other varieties of Eriogonum longifolium
Eriogonum longifolium
Eriogonum longifolium - Longleaf Eriogonum or long-leaf wild buckwheat - is a dicot of the family Polygonaceae. In addition to populations of E. longifolium var. longifolium found in Arkansas, Kansas, Louisiana, Missouri, New Mexico, Oklahoma, and Texas, there are varieties or subspecies that are...
found in other areas of the US.
Scrub buckwheat is found in areas of scrub, flatland and sand hills.
Description
It is described as generally having no more than three flowering stems, but stronger plants may have more. Its flowers are described as emerging from an involucreInvolucre
Involucre may refer to* involucral bract, a bract, bract pair, or whorl of bracts surrounding a flower or inflorescence* a term sometimes misused for the cupule surrounding developing nuts in the Fagaceae...
or protective cup found on each branch of its terminal corymb. Flowers are pollinated by a variety of solitary bees, solitary digger wasp
Digger wasp
Wasps of the genus Sphex are cosmopolitan predators of the family Sphecidae that sting and paralyze prey insects. There are over 130 known digger wasp species. In preparation for egg laying, they construct a protected "nest" and then stock it with captured insects...
s and twig nesting wasps, flies
Fly
True flies are insects of the order Diptera . They possess a pair of wings on the mesothorax and a pair of halteres, derived from the hind wings, on the metathorax...
and social wasp
Wasp
The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that is neither a bee nor an ant. Almost every pest insect species has at least one wasp species that preys upon it or parasitizes it, making wasps critically important in natural control of their...
s.
According to the US Fish and Wildlife Service there is an active habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...
management program. Also, there is significant interest in studying its fire tolerance and tendency to bloom or to die following prescribed burning
Controlled burn
Controlled or prescribed burning, also known as hazard reduction burning or Swailing is a technique sometimes used in forest management, farming, prairie restoration or greenhouse gas abatement. Fire is a natural part of both forest and grassland ecology and controlled fire can be a tool for...
of competing undergrowth.
See also
- Eriogonum longifolium var. harperiEriogonum longifolium var. harperiHarper's umbrella plant Eriogonum longifolium Nutt. var. harperi, also known as Harper's buckwheat or Harper's umbrella plant is a dicot of the family Polygonaceae, found in areas of nutrient-poor shale soils in Alabama, Kentucky and Tennessee...
- Eriogonum longifolium var. lindheimeriEriogonum longifolium var. lindheimeriEriogonum longifolium var. lindheimeri, commonly known as Lindheimer's long-leaf eriogonum and Lindheimer's buckwheat, is a dicot of the family Polygonaceae, found in New Mexico and Texas.-See also:...
External links
- Species Account/Biologue - USFWS webpage for Scrub Buckwheat
- USFWS 1993 - Final ruling regarding seven central Florida plants, including E. longifolium var. gnaphalifolium