Dichelostemma congestum

(Smith) Kunth

Enum. Pl. 4: 470. 1843.

Common names: Fork-toothed ookow
Endemic
Basionym: Brodiaea congesta Smith Trans. Linn. Soc. London 10: 3, plate 1. 1811
Synonyms: Hookera congesta (Smith) Jepson
Treatment appears in FNA Volume 26. Treatment on page 330. Mentioned on page 328, 329, 331.

Leaves 3–4, 4–35 cm; blade strongly keeled, ± glaucous. Scape self-supporting, with occasional bends, 30–80 (–90) cm, ± scabrous. Inflorescences racemose, very dense, 6–15-flowered; bracts pale-purple to green, widely lanceolate, 6–12 mm. Flowers horizontal or erect; perianth bluish purple, tube unangled, narrowly ovoid, slightly constricted above ovary, 8–10 mm, lobes ascending, 8–10 mm; perianth appendages 1 per stamen, each coalescent to an inner and outer tepal, leaning away from inner anthers to form corona, erect, purplish, narrowly lanceolate, 5–6 mm, apex deeply 2-fid into 2 wings; stamens 3, equal; anthers 4–5 mm; ovary sessile, 4–6 mm; style 5–6 mm; pedicel 1–6 mm. 2n = 18, 36.


Phenology: Flowering spring (late Mar–May).
Habitat: Open woodlands, grasslands near coast
Elevation: 0–2000 m

Discussion

Dichelostemma congestum can be recognized by its congested racemose inflorescence and deeply bifid perianth appendages that stand away from the anthers to form a corona.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thicker" is not a number.

... more about "Dichelostemma congestum"
cordate +  and linear +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
J. Chris Pires +
(Smith) Kunth +
whorled +, opposite +  and alternate +
dilated +
Brodiaea congesta +
occasional +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
pale-purple +  and green +
lanceolate +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
tunicate +  and scaly +
Fork-toothed ookow +
fibrous-coated +
Calif. +, Oreg. +  and Wash. +
0–2000 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
erect +  and horizontal +
unisexual +  and bisexual +
loculicidal +
ovoid +  and 3-angled +
Open woodlands, grasslands near coast +
persistent +
4 cm40 mm <br />0.04 m <br /> (35 cm350 mm <br />0.35 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
erect +  and leaning +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bluish purple +
Flowering spring (late Mar–May). +
80 cm800 mm <br />0.8 m <br /> (90 cm900 mm <br />0.9 m <br />) +
self-supporting +
cylindrical +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
wind-distributed +
1 +  and many +
adnate +  and free +
epitepalous +
1 +  and several +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Hookera congesta +
Dichelostemma congestum +
Dichelostemma +
species +
connate +  and distinct +
sepaloid +  and petaloid +
ovoid +  and unangled +
constricted +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
narrower +
3 +  and 2 +