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| Vernonia noveboracensis (L.) Michx. |
New York ironweed..... |
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Perennial. Stems stout, glabrous or thinly
pubescent. Typical height is 4 to 6
feet (122 to 183 cm.).
The overall inflorescence is corymb-like; more or less flat-topped or convex; clusters of flower heads are confined to ends of branches, borne on evident peduncles in corymb-like arrays. Flower heads are discoid. Ray florets are absent. Disc florets are magenta to purple, tubular, bisexual and fertile. Involucral bracts are purple, mostly lacking chlorophyll, ovate, tapering abruptly to a conspiculous, long, slender tip. Basal leaves are typically absent at flowering. Stem leaves are crowded, alternate, narrowly lanceolate (up to 6 times longer than wide), usually lacking petioles or on very short petioles. Cypselae are pubescent, narrow, with multiple, longitudinal ribs. Pappi are in two series, the inner of tan bristles; the outer of much shorter, sharp-pointed scales. Plants of wet meadows, pond margins and stream banks; found mostly in southern portions of our region. Flowers August to September. Native. Similar species: other species in the genus Vernonia. |
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Images & text copyright Arieh Tal, 1990 to 2023. All rights reserved. |