Manfreda longiflora

(Rose) Verhoek

Baileya 19: 163. 1975.

Common names: Huaco Runyon’s huaco
Conservation concern
Basionym: Runyonia longiflora Rose Addisonia 7: 39, plate 244. 1922
Synonyms: Agave longiflora (Rose) G. D. Rowley Polianthes runyonii Shinners
Treatment appears in FNA Volume 26. Treatment on page 465. Mentioned on page 463.

Rhizomes cylindrical. Leaves spreading, succulent, to 26.5 × 1.4 cm; blade green with darker green or brown narrowly elongate spots, channeled, lanceolate, margins with coarse, distantly spaced, cartilaginous teeth. Scape to 3 dm (–6 dm in cultivation). Inflorescences dense or lax, 0.8–2(–3.5) dm, 10–21-flowered. Flowers semierect, sessile; tepals white, maturing to rose; perianth tube narrowly funnelform, 2.3–3.6 cm; limb lobes recurved, 0.8–1.9 × 0.2–0.35 cm; filaments included, attached at top of tube; anthers nearly sessile; ovary 4–6 mm; style included, 1.4–2.8 cm; stigma white, deeply 3-lobed, lobes reflexed. Capsules depressed-globose, 1 × 1–1.3 cm. 2n = 60.


Phenology: Flowering late summer–early fall.
Habitat: Clay slopes, dry gravelly hills or sandy prairies
Elevation: 0–100 m

Distribution

V26 974-distribution-map.jpg

Tex., Mexico (Tamaulipas).

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Manfreda longiflora"
Susan Verhoek +
(Rose) Verhoek +
Runyonia longiflora +
Huaco +  and Runyon’s huaco +
Tex. +  and Mexico (Tamaulipas). +
0–100 m +
Clay slopes, dry gravelly hills or sandy prairies +
Flowering late summer–early fall. +
Conservation concern +
Agave longiflora +  and Polianthes runyonii +
Manfreda longiflora +
Manfreda +
species +