Lachnanthes

Scientific name

Lachnanthes Elliott

Common names

Carolina redroot, bloodroot, paintroot, woolflower

Family

Haemodoraceae

Similar genera

Eriocaulon, Lachnocaulon, Mesanthemum, Philydrum, Xyris, Zephyranthes

Native distribution

Nova Scotia, eastern United States, West Indies

Species cultivated

Lachnanthes caroliniana (Lam.) Dandy

Adventive distribution

information not available

Weed status

Lachnanthes caroliniana can be weedy in commercial cranberry bogs.

Habit

obligate wetland herb

Brief description

Small to medium rosetterosette:
(n) a radiating cluster of leaves, usually close to the ground at the base of a plant
plant. Rhizomes reddish, roots fibrous. Flowering stems erect, distally woolly. Leaves basalbasal:
(adj) at or pertaining to the base, or point of attachment
, flattened in one dimension; if caulinecauline:
(adj) pertaining to or belonging to the stem
then gradually reduced to inflorescenceinflorescence:
(n) the arrangement of flowers on the floral axis
bracts; leaf bladeblade:
(n) (syn. lamina) the flat, expanded part of a leaf, frond, or petal (excluding, e.g., the petiole)
linear to sword-shaped; apexapex:
(n) the point farthest from the point of attachment; the tip (often pointed)
acuteacute:
(adj) tapering to a sharp, pointed apex with more or less straight sides; broader than acuminate; forming an angle of less than 90 degrees
; base straight; venationvenation:
(n) the arrangement of veins in a leaf
parallel. Inflorescenceinflorescence:
(n) the arrangement of flowers on the floral axis
an axillaryaxillary:
(adj) in, of, or produced from an axil
rounded corymbose cluster of helicoidhelicoid:
(adj) coiled like a spiral or helix
cymes, with bracts subtending each flower; densely woolly, yellowish white. Flowers small, pale yellow; sepals 3, woolly outside; petals 3, woolly outside; stamens 3, with long filaments, anthers yellow; ovaryovary:
(n) a hollow organ at the base of the carpel of a flower in which ovules are produced
inferior.

Natural habitat

sandy swamps, bogs, wet grasslands, ditches, lakes, pine forest, coastal plains

Additional comments

A monotypicmonotypic:
(adj) represented by a single example (species)
genus; Lachnanthes caroliniana is also known as Lachnanthes tinctoria (Walter ex J.F.Gmel.) Elliott. It has been shown to be toxic to livestock and its roots yield a red dye.

  Lachnanthes   caroliniana , emersed; photo © Scott Zona

Lachnanthes caroliniana, emersed; photo © Scott Zona

  Lachnanthes caroliniana  inflorescence; photo © Scott Zona

Lachnanthes caroliniana inflorescence; photo © Scott Zona

  Lachnanthes caroliniana  inflorescence; photo © Tanja M. Schuster

Lachnanthes caroliniana inflorescence; photo © Tanja M. Schuster

  Lachnanthes caroliniana  inflorescence; photo © Bob Peterson

Lachnanthes caroliniana inflorescence; photo © Bob Peterson