Wednesday, July 7, 2010

July 2010, Week 1

July 2010, Week 1

This is the second installment of "Name that Native", an ongoing plant identification exercise from the Blomquist Garden of Native Plants at the Sarah P. Duke Gardens. Follow along and enjoy the experience of getting to know our plant neighbors!

11) Verbesina occidentalis, YELLOW CROWNBEARD Asteraceae- Aster Family
Common native perennial of roadsides and field edges to 5 feet. Opposite, serrate lanceolate to ovate leaves arranged along stems with four pronounced "wings" of tissue running between the leaf axils and creating an "x" in cross section. Small yellow flowerheads in corymbs seen August to October.

12) Parthenocissus quinquefolia VIRGINIA CREEPER Vitaceae- Grape family
Clinging native vine. Palmately compound leaves with usually five leaflets, occasionally 3-7. Climbs using tendrils with adhesive disks to cling to bark, etc. Yellow-green flowers in panicles of cymes seen May to July. Fruit a dark blue drupe. Found in woods and wood edges.

13) Parthenium integrifolium WILD QUININE Asteraceae- Aster family
Native perennial to three feet. Found in woods, wood edges and roadsides. One to three stems per crown with basal and cauline lanceolate serrate leaves. Leaves often glabrous. Numerous flowerheads in corymbs of small, white flowers of both ray and disk variety, disk flowers perfect but sterile.

14) Eurybia divaricata WHITE WOOD ASTER Asteraceae- Aster family
Native perennial of woodlands and wood edges to two or three feet. Cordate, lanceolate serrate leaves, usually glabrous. Numerous blooms from August to October with white ray flowers and yellow disks. Forms large colonies. Reasonably tolerant of dry soil.

15)Thelypteris noveboracensis NEW YORK FERN Thelypteridaceae- Marsh fern family
Native fern of moist places. Forms large colonies of fronds to one foot. Fronds a light green, often widest in the middle of the fronds length. Common in piedmont along stream bottoms among Carex spp.

16) Callicarpa americana BEAUTYBERRY Verbenaceae- Verbena family
Lanky native deciduous shrub to twelve feet. Opposite, ovate-lanceolate leaves, pubescent beneath. Small pink-purple blooms in cymes found in leaf axils in June and July. Deep purple-magenta drupes in late summer. Found in moist woods in the coastal plain, occasionally piedmont.

17) Elephantopus tomentosus DEVIL'S GRANDMOTHER Asteraceae- Aster Family
Native perennial of dry woodlands and wood edges to two feet. Leaves basal, oblanceolate, densely pubescent. Violet blooms from July to September, each with small, pubescent bracts subtending.

18) Chasmanthium latifolium INDIAN WOODOATS Poaceae- Grass family
Native perennial grass to four feet. Common along river and stream bottoms in open woods. Colonizing grass that spreads eagerly by both rhizome and seed. Good choice for pond edges/streambanks for erosion mitigation. Noted by it's pendulous flat spikelets made up of numerous seeds.

19) Rudbeckia laciniata CUTLEAF CONEFLOWER Asteraceae- Aster Family
Native perennial to five feet. Polymorphic leaves with youngest being closest to entire and oldest being almost pinnately compound, usually glabrous. Disk flowers a raised globe. Yellow rays often reflexed. Blooms July-October. Often found in moist soil along stream banks.

20) Lindera benzoin SPICEBUSH Lauraceae- Laurel family
Native, deciduous small tree/shrub to twelve feet. Leaves strongly aromatic opposite, often glabrous, acuminate, ciliate margins. Small, yellow dioecious flowers born on the glabrous stems in March and April prior to leaf emergence. Fruit is red drupe seen in August and September. Host plant for larval stage of Spicebush Swallowtail butterfly.

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