Lechea stricta |
Lechea san-sabeana |
|
---|---|---|
prairie pinweed |
San Saba pinweed |
|
Habit | Herbs, perennial. | Herbs, perennial. |
Stems | basal produced; flowering erect, 25–45 cm, densely sericeous. |
basal produced; flowering erect, 15–35 cm, densely to sparsely sericeous. |
Leaves | of flowering stems alternate or subopposite; blade narrowly oblanceolate, 13–20 × 1.5–3 mm, apex acute, often mucronate, abaxial surface pilose, adaxial glabrous. |
of flowering stems alternate to subopposite; blade linear, 6–18 × 0.6–1.3 mm, apex acute, abaxial surface appressed-pilose mostly on midvein and margins, adaxial glabrous. |
Pedicels | 1 per axil, 1.6–2 mm. |
1 per axil, 3–5 mm. |
Flowers | calyx 1.6–1.8 mm, outer sepals shorter than inner. |
calyx 1.8–2.2 mm, outer sepals longer than inner. |
Capsules | subglobose to broadly ovoid, (1.8–)2–2.5 × 2–2.5 mm, ± equaling calyx. |
secund, depressed-globose, (1.2–)1.8–2.2 × 2.2–2.4 mm, ± equaling to longer than calyx. |
Seeds | 3–4. |
(4–)6. |
Lechea stricta |
Lechea san-sabeana |
|
Phenology | Flowering summer–fall; fruiting fall. | Flowering spring; fruiting summer–fall. |
Habitat | Sandy, open fields, grasslands, lakeshores, woodland margins | Dry, sandy or gravelly, open sites, woodland margins |
Elevation | 100–800 m (300–2600 ft) | 10–600 m (0–2000 ft) |
Distribution |
IA; IL; MI; MN; ND; NE; WI; ON
|
TX |
Discussion | Some individuals of Lechea stricta can be difficult to determine with certainty; the extremes of variation of L. stricta often grade into that of L. intermedia and L. pulchella. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Lechea san-sabeana is known from a variety of sandy habitats in the eastern half of Texas. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 6, p. 396. | FNA vol. 6, p. 395. |
Parent taxa | Cistaceae > Lechea | Cistaceae > Lechea |
Sibling taxa | ||
Synonyms | Linum san-sabeanum, Lechidium drummondii | |
Name authority | Leggett ex Britton: Bull. Torrey Bot. Club 21: 251. (1894) | (Buckley) Hodgdon: Rhodora 40: 49. (1938) |
Web links |