Overview

Comprehensive Description

Description

This is a woody vine up to 15' long that branches sparingly. Its stems twine about adjacent vegetation or objects for support, otherwise it tends to form a tangled mound of leafy stems that resembles a bush. At the base of each vine, the outer bark of the narrow trunk is shredded into gray strips, revealing an inner bark that is reddish brown. Young first-year stems are light green to pale reddish green, glabrous, and terete. With age, these stems can become yellowish tan, brown, or orange-red and they may become longitudinally grooved. Along these stems, pairs of opposite leaves occur at intervals. For non-terminal leaves without flowers, individual leaf blades are up to 4" long and 3" across; they are oval, ovate, or obovate in shape and smooth along their margins. The bases of these leaf blades are either narrowly perfoliate, sessile, or they have short petioles. The upper surface of non-terminal leaf blades is yellowish green to medium green and glabrous, while the lower surface is usually whitened and either short-pubescent or glabrous (usually the latter). The upper 1-2 pairs of opposite leaves have similar characteristics to the non-terminal leaves, except they are strongly perfoliate and become conspicuously glaucous during and after the blooming period. The upper surface of the terminal leaf blades is whitish green to whitish gray-blue. For the uppermost pair of leaves, their joined leaf blades may be almost as wide as they are long. About 2-5 sessile whorls of flowers develop along a short flowering stalk from the uppermost pair of leaves.  Sometimes secondary whorls of flowers develop from short axillary stalks from the pair of leaves immediately below the uppermost pair. Individual flowers are about 1" long, consisting of a 2-lipped corolla that is pale yellow to orange-yellow and a short tubular calyx. The upper lip of the corolla consists of 4 short upright lobes, while the lower lip of the corolla consists of a single recurved lobe. The base of the corolla is slightly swollen on one side. Exerted from the throat of each corolla, there are 5 stamens and a single style with a knobby stigma. The filaments of the stamens are nearly hairless, except for some sparse hairs below. The blooming period occurs from late spring to early summer and lasts about 2-3 weeks. Depending on the orientation of the vine, some flowers may dangle from their stalks upside down. The flowers are often fragrant. They are replaced by berries that become about 6-7 mm. long at maturity. At this time, they are orange-red to red, globoid-ovoid in shape, and juicy. Each berry contains a few small seeds about 3 mm. long. In the climate of Illinois, the leaves of this vine are deciduous.
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Source: Illinois Wildflowers

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Distribution

Range and Habitat in Illinois

The native Grape Honeysuckle is occasional in northern and central Illinois, but apparently absent from the southern section of the state. Local populations of this vine may be in a state of decline because of herbivory from the large population of White-Tailed Deer and because of the reduced number of wildfires. Habitats consist of rocky upland woodlands, thinly woody bluffs, wooded slopes, woodland borders, savannas and sandy savannas, riverbanks, and thickets. Although it is relatively uncommon in gardens, this woody vine is sometimes cultivated as an ornamental plant.
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© John Hilty

Source: Illinois Wildflowers

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National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Ecology

Habitat

Range and Habitat in Illinois

The native Grape Honeysuckle is occasional in northern and central Illinois, but apparently absent from the southern section of the state. Local populations of this vine may be in a state of decline because of herbivory from the large population of White-Tailed Deer and because of the reduced number of wildfires. Habitats consist of rocky upland woodlands, thinly woody bluffs, wooded slopes, woodland borders, savannas and sandy savannas, riverbanks, and thickets. Although it is relatively uncommon in gardens, this woody vine is sometimes cultivated as an ornamental plant.
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© John Hilty

Source: Illinois Wildflowers

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Associations

Faunal Associations

The flowers of Grape Honeysuckle are cross-pollinated by the Ruby-Throated Hummingbird, Hummingbird Clearwing moths (Hemaris spp.), bumblebees, Anthophorine bees (Anthophora spp.), and other long-tongued bees. Other floral visitors include Green Metallic bees and Syrphid flies, which are less effective at cross-pollination because of their small size and mouth parts. Grape Honeysuckle, like other other honeysuckles (Lonicera spp.), is a host plant of several kinds of insects that feed on the foliage, suck plant juices, etc. These insect feeders include the the caterpillars of such moths as Alucita hexadactyla (Six-Plume Moth), Callizzia amorata (Gray Scoopwing), Hemaris diffinis (Snowberry Clearwing), Hemaris thysbe (Hummingbird Clearwing), Homohadena badistriga (Brown-Lined Sallow), Phyllonorycter fragilella, Phyllonorycter mariaeella, and Ypsolopha dentella (Honeysuckle Moth). Its also includes such aphids as Alphitoaphis lonicericola, Gypsoaphis oestlundi, and Hyadaphis foeniculi (Honeysuckle Aphid); and the larvae of Zaraea inflata (Honeysuckle Sawfly). Songbirds occasionally eat the reddish berries, including the Cedar Waxwing, Brown Thrasher, Catbird, Veery, Yellow-Breasted Chat, Purple Finch, and various thrushes. The foliage of honeysuckle vines provide cover and nesting habitat for various songbirds as well. White-Tailed Deer browse on the foliage.
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Source: Illinois Wildflowers

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Flower-Visiting Insects of Grape Honeysuckle in Illinois

Lonicera reticulata (Grape Honeysuckle)
(also referred to as Lonicera prolifera; bees suck nectar or collect pollen as indicated below; Syrphid flies feed on pollen & are non-pollinating; other insects and hummingbirds suck nectar; all observations are from Graenicher)

Birds
Trochilidae: Archilochus colubris sn (Gr)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn (Gr); Apidae (Bombini): Bombus edwardsii sn fq (Gr), Bombus pensylvanica sn fq (Gr), Bombus vagans sn (Gr); Anthophoridae (Anthophorini): Anthophora abrupta sn (Gr), Anthophora terminalis sn (Gr); Anthophoridae (Ceratinini): Ceratina dupla dupla sn (Gr); Anthophoridae (Eucerini): Synhalonia atriventris sn cp (Gr); Megachilidae (Megachilini): Megachile relativa sn cp (Gr)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn (Gr), Augochlorella persimilis sn cp (Gr), Augochloropsis metallica metallica cp (Gr), Lasioglossum coriaceus cp (Gr), Lasioglossum forbesii cp (Gr)

Flies
Syrphidae: Epistrophe xanthostoma fp np (Gr), Toxomerus marginatus fp np (Gr)

Skippers
Hesperiidae: Poanes zabulon sn (Gr)

Moths
Sphingidae: Hemaris diffinis sn (Gr)

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Lonicera reticulata

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Lonicera reticulata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Relevance to Humans and Ecosystems

Benefits

Cultivation

The preference is full sun or partial sun, mesic conditions, and soil containing loam, sand, or rocky material. Light shade is also tolerated, but flowers may not develop.
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© John Hilty

Source: Illinois Wildflowers

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Names and Taxonomy

Taxonomy

Comments: The Rafinesque name Lonicera reticulata, used by Kartesz (1994 and 1999), has nomenclatural priority over L. prolifera. According to Weakley (draft 2006), L. reticulata = L. prolifera.

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