Muehlenbeckia hastulata var. hastulata

Treatment appears in FNA Volume 5. Treatment on page 486.

Plants (0.5–)1–3 cm. Stems suberect to scandent or climbing, angular, striate, diffusely branched, glabrous, sometimes papillose, distal branches usually glabrous. Leaves: ocrea mostly persistent, brownish hyaline, cylindric, 3–5 mm, margins truncate to rounded, eciliate, faces glabrous; petiole (3–)6–12(–17) mm, glabrous; blade triangular-lanceolate, (2–)2.5–4(–5.5) × (0.8–)1.2–2.5(–3) cm, subcoriaceous, base hastate, margins entire or irregularly wavy, glabrous or scabrous, apex acute, glabrous adaxially and abaxially, sometimes papillose abaxially, minutely punctate abaxially and adaxially. Inflorescences terminal and axillary, 3–5(–8) cm. Pedicels ascending to spreading, 1.5–2 mm. Flowers 1(–3) per ocreate fascicle; perianth white, greenish white, or greenish; tepals connate ca. 1/4 their length, lanceolate-ovate to obovate, 2–3 mm, apex rounded to acute. Staminate flowers: anthers yellow or pink, ovate. Pistillate flowers: tube reddish purple to black in fruit. Achenes usually included, black, subglobose, 3–4 × 2.5–3.5 mm, shiny, smooth.


Phenology: Flowering Jul–Aug.
Habitat: Sunny, disturbed sites, often in urban areas
Elevation: 0-500 m

Distribution

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Introduced; Calif., South America (Argentina, Chile).

Discussion

Variety hastulata is cultivated as an ornamental. It escapes rarely in the flora area and can be invasive.

Selected References

None.

Lower Taxa

None.