Allium paniculatum var. paniculatum

unknown
Treatment appears in FNA Volume 26. Treatment on page 244. Mentioned on page 228.
Bulbs 1–8, not clustered on stout primary rhizome, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, rhizomes lacking, ovoid, 1–1.5 × 1–1.5 cm; outer coats enclosing renewal bulbs, dark brown, membranous, very obscurely reticulate, cells rectangular, vertically elongate, without fibers, meshes delicate; inner coats white to light brown, cells rectangular, vertically elongate. Leaves persistent, withering from tip at anthesis, 3–5, sheathing proximal 1/3–1/2 scape; blade solid, terete to semiterete, channeled, 5–35 cm × 1–5 mm, margins entire. Scape persistent, solitary, erect, solid, terete, 30–70 cm × 1–3(–4) mm. Umbel persistent, erect, loose, 25–100-flowered, globose to ovate, bulbils unknown; spathe bracts persistent, 2, 4–9-veined or veins not visible, ovate to narrowly lanceolate, unequal, longer bract 5–14 cm, greatly exceeding pedicels, apex contracted into appendage, appendage terete, 5–14 cm. Flowers campanulate, 5–7 mm; tepals erect, white to lilac pink, ovate, ± equal, becoming papery and withering in fruit, margins entire, apex obtuse; stamens included to slightly exserted; anthers yellow; pollen yellow; ovary crestless; style exserted, linear; stigma capitate, scarcely thickened; pedicel unequal, 10–45 mm. Seed coat not known.

Phenology: Flowering Jun–Jul.
Habitat: Disturbed areas
Elevation: 0–50 m

Discussion

Allium paniculatum var. paniculatum is naturalized around San Francisco Bay and elsewhere in northern California. It is native to Europe and is potentially a noxious weed.

References

None.

Lower Taxa

No lower taxa listed.