Vegetative key to the families
Vegetative Key Vegetative key to the families
OCHREA (sheath) Present around the stem and petiole, formed from fused stipules (Fig. 25). Leaves alternate. Herbs Polygonaceae
Perianth segments 5, ± equal
Flowers unisexual. Calyx succulent or membranous at fruiting stage Muehlenbeckia
Slender, herbaceous, twining perennial. Leaves on slender petioles, ovate-cordate to broad-saggitate, acuminate, membranous; the margins crisped, mostly 2–5 cm long. Perianth succulent at fruiting stage. Care is necessary to avoid confusing this plant with Fallopia convolvulus. Coast. WSF; open forests on rivers; margins of RF. Fl. summer Muehlenbeckia gracillima
Robust climber, almost woody at the base, sometimes shrubby. Leaves broad-ovate-cordate, thick. Fruits ovoid, rugose. Flowers in large interrupted terminal panicles, 3–3.5 mm long. Blue Mts Creek banks, rocky places Muehlenbeckia rhyticarya