Allium runyonii Ownbey

Bulbs 1–3, bearing cluster of short-stalked, basal bulbels, ovoid, 1.2–2 × 1.2–2 cm; outer coats enclosing 1 or more bulbs, brownish, reticulate, cells very coarse-meshed, open, fibrous; inner coats whitish, cells contorted, walls very sinuous. Leaves green at anthesis, persistent, 3–6, basally sheathing; blade solid, flat, channeled, 10–40 cm × 1–4 mm, margins entire. Scape persistent, often 2 or more successively produced from single bulb, erect, ± terete, 10–45 cm × 1–4 mm. Umbel persistent, erect, loose, usually 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, usually 3, 3–7-veined, ovate, ± equal, apex acuminate. Flowers urceolate, 5–7 mm; tepals erect, white with pinkish midribs, aging to pink, lanceolate, ± equal, becoming callous-keeled and permanently investing capsule, margins entire, apex obtuse or even emarginate to acute; stamens ± equaling tepals; anthers yellow; pollen yellow; ovary crestless; style linear, equaling stamens; stigma capitate, unlobed or obscurely lobed; pedicel 8–28 mm, elongating in fruit. Seed coat shining; cells smooth. 2n = 14.

Tex. Allium runyonii is known only from extreme southern Texas.

Flowering Mar--Apr.

Sandy soils, Rio Grande plains; 10--200m.

Allium runyonii is a North American species of wild onion native to southern Texas about as far north as Corpus Christi, as well as to the Mexican States of Nuevo León and Tamaulipas. It is found on sandy soils including in plains along the Río Grande.

Allium runyonii produces egg-shaped bulbs up to 2 cm long. Flowering stalks can reach a height of 50 cm. Flowers are urn-shaped, about 6 mm across; tepals white with pinkish midribs; anthers and pollen are yellow; ovary does not have a crest.

Allium runyonii adalah spesies tumbuhan yang tergolong ke dalam famili Amaryllidaceae. Spesies ini juga merupakan bagian dari ordo Asparagales. Spesies Allium runyonii sendiri merupakan bagian dari genus bawang Allium. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Ownbey.

Allium runyonii là một loài thực vật có hoa trong họ Amaryllidaceae. Loài này được Ownbey mô tả khoa học đầu tiên năm 1950.