Ontario Weeds: Goldencreeper
Excerpt from Publication 505, Ontario Weeds,
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Table of Contents
- Other Names
- General Description
- Stems and Roots
- Flowers and Fruit
- Similar Species
- Related Links
Name: Goldencreeper, Thladiantha
Other Names: thladianthe douteuse, Thladianthe
Family: Gourd or Melon Family (Cucurbitaceae)
General Description: Resembling young plants of Wild cucumber. It is a perennial reproducing almost exclusively from fleshy, underground, potato-like tubers.
Stems & Roots: Its stems are slender
and somewhat twining, 1-2m (40-80in.) long but mostly climbing over
other plants by means of tendrils; leaves alternate (1 per node),
short-stalked, broadly heart-shaped, about 7.5-15cm (3-6in.) long,
with a deep, rounded, U-shaped base, smooth margins, a slender,
stretched-out tip, and rough-hairy on both surfaces;
Flowers & Fruit: Flowers showy, bright yellow, 15-25mm (3/5-1in.) across, somewhat resembling the shape of the male (pollen-producing) flowers of the cultivated cucumber. Canadian plants have only male (pollen-producing) flowers; the female (seed-producing) plant apparently has not been introduced. Flowers from July to September.
Habitat: Goldencreeper occurs in scattered localities in southern Ontario, persisting in old gardens where it was introduced as an ornamental, spreading through lawns, gardens, along roadsides, in waste places and into cultivated fields.
Similar Species: It is distinguished by its rough-hairy, heart-shaped leaves with deep, rounded, U-shaped bases and stretched-out tips, climbing by tendrils, its bright yellow flowers, and reproducing only by very persistent, widely spreading, fleshy, underground, potato-like tubers which make it extremely difficult to eradicate.
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