AUGUST COLLECTIONS

Aug. 17, 2006

Bronx Co., New York

54519-54541 Bronx, New York Botanical Garden. Voucher for a leaf tissue and DNA sample collected for the New York Botanical Garden Forest DNA Barcoding Project; funded by the Alfred P. Sloan Foundation.

Coll.: M. Nee & K. Cameron

54519 Euphorbiaceae Euphorbia maculata L.

det. M. Nee, 2006

Prostrate, tap-rooted herbs, forming rounded plants over mulch, with no other species, unshaded, in "planters" between parking areas behind main buildings.Stems light pink; sap milky. Leaves green above with dark reddish zone in the center, light green and unmarked below. Cyathia nearly erect; petaloid appendages white.

40°52'01"N, 73°52'42"W. alt. 82 ft.

54521-54523 Forest of Quercus rubra, Carya cordiformis, Liriodendron tulipifera between Pfizer Lab building and Upper Twin Lake.

40°52'04"N, 73°52'40"W. alt. 69 ft.

54520 Asteraceae Aster

Rays white; disc yellow, later purplish.

54521 Polygonaceae Polygonum virginianum

det. M. Nee, 2006

Erect perennial herbs. Inflorescence with yellow-green young fruit.

54522 Phytolaccaceae Phytolacca americana L.

det. M. Nee, 2006

Herb 1.2 m. tall. Inflorescence yellow-green.

54523 Caryophyllaceae Silene stellata

det. M. Nee, 2006

A small patch of several stems.

54524-54526 Along bridge between Upper and Lower Twin Lakes.

40°52'05'N, 73°52'35"W. alt. 59 ft.

54524 Convolvulaceae Calystegia sepium (L.)

det. M. Nee, 2006

Vine over weeds, unshaded area with Phytolacca americana, Lonicera maackii, Artemisia vulgaris. Corolla whtie, wilted, with slight pinkish tinge (3:45 P.M., sunny).

54525 Molluginaceae Mollugo verticillata L.

det. M. Nee, 2006

Weed along cracks in pavement of parking area.

54526 Araliaceae Aralia

Woody, 4 m. tall. Brushy area along edge of bridge and Lower Twin Lake. Leaflets look thicker and darker green than most other specimens of woody Aralia in the Garden.

40°52'02"N, 73°52'36"W. alt. 59 ft.

54527-54534 Along edge of Lower Twin Lake.

40°52'02"N, 73°52'34"W. alt. 56 ft.

54527 Malvaceae Hibiscus moscheutos L.

det. M. Nee, 2006

Erect herbs 1.3 m. tall. Petals deep pink, very showy.

54528 Onagraceae Ludwigia palustris (L.) Ell.

det. M. Nee, 2006

Prostrate and rooting on damp mud where water level had gone down. Flowers very inconspicuous.

54529 Urticaceae Pilea pumila (L.) A. Gray

det. M. Nee, 2006

Dense stand of many erect plants on muddy edge of Lower Twin Lake in partial shade, with a few plants of Acalypha rhomboidea mixed in. Stems very thick and watery.

54530 Euphorbiaceae Acalypha rhomboidea Raf.

Erect herbs, in a dense patch of Pilea pumila.

54531 Rosaceae Agrimonia striata Michx.

det. M. Nee, 2006

Erect herbs in shade. Petals yellow.

54532 Cyperaceae Cyperus

In partial shade.

54533 Polygonaceae Polygonum punctatum Ell.

det. M. Nee, 2006

Muddy edge of Lower Twin Lake, with Pilea, Epilobium. Flowers white.

54534 Onagraceae Epilobium coloratum Biehler

det. M. Nee, 2006

Erect herbs with Pilea, Polgyonum punctatum on muddy soil, edge of Lower Twin Lake.

54535 Araliaceae Aralia racemosa L.

det. M. Nee, 2006

Perennial herb. Rare in Forest of Quercus rubra, Sassifras albidum, Fagus grandfolia. Inflorescence yellow-green, just past flowering.

40°51'54"N, 73°52'32"W. alt. 82 ft.

54536-54538 Thin soil over bedrock, thin woods of Quercus above Bronx River between Hester Bridge and the waterfall overlook.

40°51'42"N, 73°52'32"W. alt. 72 ft.

54536 Asteraceae Euthamia graminifolia (L.) Nutt.

Patch. Just beginning to bloom. Flowers yellow.

54537 Asteraceae Solidago ulmifolia

det. M. Nee, 2006

A few plants in loose clump. Flowers yellow.

54538 Smilacaceae Smilax glauca Walt.

det. M. Nee, 2006

Small stems less than 1 m. tall. No evidence of flowering or fruiting. Several in partly shaded area. Leaves green above with irregular lighter splotches, glaucous below.

54539-54541 Wet area along small stream, just upstream from Azalea Way. Mostly Rudbeckia laciniata which is very showy at this time of year.

40°51'33"N, 73°52'41"W. alt. 59 ft.

54539 Asteraceae Eupatorium dubium Willd.

Perennial herbs 1.5 m. tall in clump. Beginning to bloom.

54540 Asteraceae Rudbeckia laciniata L.

det. M. Nee, 2006

Abundant, perennial herbs to 2 m. tall. Rays yellow; disk greenish yellow.

54541 Asclepiadaceae Asclepias incarnata L.

det. M. Nee, 2006

Perennial herbs 1 m. tall. Flowers purplish, much the same color as the Eupatorium dubium.