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Amur honeysuckle flowers occur in near-sessile pairs arising from leaf axils; there is a 2 mm long flower stalk (the thickness of a U.S. five cent coin). The corolla is about 1" long and tall, white or cream-colored, consisting of four fused, vertical upper lobes and a single lower lobe at 90° to the upper lobes; this geometry creates an opening through which protrudes five long stamens with yellow anthers and the solitary pistil with a green, knobby stigma. Outer surfaces of the flower are hairy. The fruit is a 1/4" diameter, shiny-red, spherical berry, usually in clusters of 2-4, that looks rather like a large current. The berries are mildly poisonous. The berries of amur honeysuckle are very similar in appearance and distribution to the berries of Morrow's honeysuckle (Lonicera morrowii), but the berries of the former are sessile while the berries of the latter are attached to 1/2" long pedicels. In addition, the leaves of amur honeysuckle have elongated tips while the leaf tips of Morrow's honeysuckle are relatively blunt; only amur honeysuckle has sessile flowers. Please don't plant this in your garden — too often, it escapes.

Lonicera

Lonicera maackii

amur honeysuckle [Blooms: Apr-Jun]

Morrow's honeysuckle is another invasive exotic, this one from northern Asia, a highly branched shrub 6-10' high that prefers disturbed woodlands and a strong competitor for space. Flowers arise in pairs from leaf axils on pedicels at least 1/2" long. Each flower consists of a tubular greyish-green calyx with five teeth covered with short hairs; a tubular corolla 3/4-1" long and across, initially white but becoming cream colored over time, with five long, narrow, widely-spreading lobes (four on the upper lip, one on the lower lip); five stamens with white filaments and yellow anthers; and a single, slender white style with a dome-shaped, green stigma. The fruit is a red berry 1/4" across. The berries of Morrow's honeysuckle are very similar in appearance and distribution to the berries of amur honeysuckle (Lonicera maackii), but the former are attached to 1/2" long or longer pedicels while the latter are sessile; in addition, the leaves of amur honeysuckle have elongated "drip tips" while the leaf tips of Morrow's honeysuckle are relatively blunt.

Lonicera

Lonicera morrowii

Morrow's honeysuckle [Blooms: Apr-May]

In grape honeysuckle, a short flowering stalk emerges from the tip of the stem where it emerges from the terminal pair of leaves; 2-5 whorls of flowers develop along this flowering stalk. Each flower is about 1" long. It consists of an egg-shaped, swollen, dark green ovary; a pale yellow to orange-yellow, two-lipped corolla that fades with age to orange or red; five stamens with yellow anthers; and a single style with a dome-shaped stigma. There are no hairs on the flowers. Both the stamens and the style protrude from the corolla. The ovary of fertilized flowers produces berries which are initially green but, at maturity, become globoid, orange-red to red, and about 1/4-1/2" long. Grape honeysuckle is the only honeysuckle (native or exotic) in Jackson Park that is a woody vine; it is distinctive and should be easy to recognize.

Lonicera

Lonicera reticulata

grape honeysuckle [Blooms: Jun]

Tatarian honeysuckle's flowers arise from upper leaf axils in pairs on a 3/4-1" long pedicles. Individual flowers are 3/4" (both long and across); there is a short (1/4") green calyx with five lobes; a pink to rosy-pink tubular corolla that flares to produce five narrow, spreading lobes — the middle two lobes on the upper lip of the corolla are vertical and fused at their base, the other two are spreading; the sole lobe on the lower lip is bent down. Protruding from the throat of the corolla are five stamens with white filaments and yellow anthers and a slender, white style with a green, dome-shaped stigma. The fruit is a pair of 1/4" berries that turn bright red on maturity. Of the exotic honeysuckles (amur, Morrow's, tartarian) in Jackson Park, tartarian honeysuckle is the only species that is virtually hairless and the only one with reddish (as opposed to white) flowers. Please don't plant this species in your garden — too often, it escapes.

Lonicera

Lonicera tatarica

tatarian honeysuckle [Blooms: Apr-May]