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Image	Scientific Name	Common Name	Family	Date/Location	Comments
	Achillea millefolium	Yarrow	Asteraceae	July 2003, Amherst, MA	Shown in the photo is a close-up view of a yarrow flower. White ligulated and disc florets are shown. The leaves of the plants is numerously dissected thus called millefolium. Cultivated yarrow species of have colors such as orange and red.
	Ageratum sp.	Ageratum	Asteraceae	June 2003, Amherst, MA	The photo shows the numerous flowers of Ageratum showing fantastic sprays of colors, which varies from light purple to pink as shown in the photo.
	Asclepias syriaca	Milkweed	Asclepiadaceae	July 2003, Amherst, MA	Milkweed is a tall plant with characteristic large oblong entire leaves. The umbel inflorescence consists of flowers with white to deep pink petals. The sap of milkweed is white, viscous, and poisonous.
	Begonia tuberhybrida	Begonia	Begoniaceae	July 2003, Amherst, MA	Begonia is a succulent herb with jointed stems, palmately veined leaves, and showy tepals. Begonia is one of CAM plants.
	Calibrachoa sp.	Calibrachoa	Solanaceae	June 2003, Amherst, MA	Solanaceae flowers such as Petunia often have peculiar purple color which indicates toxic alkaloids the plants contain. They have fused sometimes separate five petals and basifixed five stamens. They are entomophilous and supply substantial pollens for the insects.
	Coleus	Coleus	Lamiaceae	August 2003, Amherst, MA	Coleus is a foliage plant and the colors of the leaves vary from green, pink, red, to purple. Coleus is a member of Lamiaceae family and has square stem supported by columns of collenchyma cells. Leaves are opposite, decussate and dentate. Lamiaceae plants have bilabiate flowers with four stamens, a 2-carpellate pistil, and 4-loculed ovaries. Coleus tolerates shades.
	Cosmos bipinnatus	Cosmos	Asteraceae	August 2003, Amherst, MA	Cosmos is a member of Asteraceae family. The flower consists of pink ray flowers and yellow disc flowers. The leaves are dissected, opposite and decussate. The stems are fragile and is often not strong enough to support this tall plant.
	Dahlia sp.	Dahlia	Asteraceae	July 2003, Amherst, MA	Dahlia is an tall plant but has somewhat flagile stems. This is a member of Asteraceae family and has colorful ray flowers. The odd pinnate leaves are dentate. The roots are tuberous.
	Daucus carota	Queen Ann's-lace	Apiaceae	July 2003, Amherst, MA	Queen Ann's-lace is a tall herb with large umbel inflorescences of white flowers. Another name of this plant is wild carrot, and is a member of Apiaceae family. The bracts are pinnately dissected and they give an appearance of an intricate lace which gave the plant the common name of Queen Ann's-lace. The leaves are pinnefied and the stem is pubescent.
	Delphinium sp.	Blue Butterfly Larkspur	Ranunculaceae	June 2003, Amherst, MA	Shown is a blue larkspur flower. Larkspur is a member of Ranunculaceae and the flower has five sepals with a spur, five inconspicuous petals, and numerous stamens. Sepals have a purple dot in the middle. The leaves are dissected and alternate.
	Dianthus barbatus	Sweet Williams	Caryophyllaceae	July 2003, Amherst, MA	Shown is a flower of sweet Williams, a member of Caryophyllaceae. The flower has five petals, a carpellate pistil, and 10 stamens. The leaves are linear and the stems have swollen nodes.
	Diascia sp.	Diascia	Scrophulariaceae	July 2003, Amherst, MA	The photo shows the curious plants of Diascia. The bilabiate pink flower has two spurs and thus the plant is named Diascia. This species is a vine that trails on the ground, whose shiny cordate leaves are dentate and alternate.
	Echinacea purpurea	Purple Coneflower	Asteraceae	July 2003, Amherst, MA	Coneflower is a peculiar tall plant with conspicuous large pink ray flowers and protruding yellow-brown disc flowers. The color varies from pink to purple. The ray flowers tends to reflex and the name came from the cone-like appearance of the inflorescence.
	Eschscholtzia californica	California Poppy	Papaveraceae	July 2003, Amherst, MA	Shown is vivid orange flowers of California poppy. The flower has numerous stamens one pistil. Also shown are green cone capsules. The leaves of California poppy are finely dissected and soft.
	Gazania sp.	Gazania	Asteraceae	June 2003, Amherst, MA	The photo shows the radiant flowers of Gazania. The flowers close at night and in rainy days. As in other liguate flowers of Asteraceae, the petal in the early stage winds inwardly to form a tube which gradually opens and expands to a flat petal as shown in the photo.
	Gerbera sp.	Gerbera	Asteraceae	July 2003, Amherst, MA	Gerbera is a member of Asteraceae family. The numerous ray flowers are colorful and showy with its proportionally small disc flowers. The undulate leaves are basal and pubescent.
	Helianthus annuus	Sunflower	Asteraceae	July 2003, Amherst, MA	Shown is a massive inflorescence of a sunflower plant. The flower consists of magnificent yellow ray flowers and numerous disc flowers. The large dentate leaves and the stems are coarsely pubescent.
	Heliotropium arborescens	Heliotrope	Boraginaceae	July 2003, Amherst, MA	Boraginaceae flowers have small flat five petals and a queer hole in the middle, as a button would look like. They hang on one side of the stem and forms helical structure. The leaves and stems are often scabrous or hispid and velvet like.
	Hemerocallis fulva	Daylily	Hemerocallidaceae	June 2003, Amherst, MA	Daylily is a medium sized perennials with all basal leaves and flowers that have three petals and three sepals, whose overall figure might give similar impressions as lily flowers do even though tepals of lily flowers are all equal in size.
	Hibiscus moscheutos	Rose Mallow	Malvaceae	August 2003, Amherst, MA	Rose mallow is a tall plant that bears a large pink flowers. The flowers have five petals, five sepals, numerous stamens, and five-carpellate pistil. The petals are prone to be damaged yet conspicuous and gorgeous.
	Hosta ventricosa	Plantain Lily	Liliaceae	June 2003, Amherst, MA	Hosta is often planted in shade, and its beautiful leaves make a good ornament throughout the year. The white flower of Hosta has the characteristic three petals and three sepals of Liliaceae. The deceiving green bracts are not sepals.
	Impatiens wallerana	Dazzler White Impatiens	Balsaminaceae	July 2003, Amherst, MA	Impatiens is a succulent plant with translucent stems. The flower of Impatiens has five caducous petals, five connate stamens, and sepals with a spur. Impatiens thrives in shady moist places.
	Lilium sp.	Lily	Liliaceae	July 2003, Amherst, MA	Liliaceae flowers have six distinct sepals, six stamens, basifixed or dorsifixed conspicuous large anthers, and three chambered ovary. It is a monocot and the leaves have parallel veins. Lilium is a tall and single stemed plant with shiny simple entire lanceorate leaves. The flowers are terminal and the petals are thick and massive.
	Lobularia maritima	Sweet Alyssum	Brassicaceae	June 2003, Amherst, MA	Sweet alyssum is a small plant with numerous white flowers and lanceolate entire leaves. Sweet alyssum is a member of Brassicaceae, whose hypogynous flowers has four distinct petals and six stamens. The fruits of Brassicaceae plants are either silicle or silique which has 2-valves separated by replum. Their petals come off easily and the colors varies from yellow, white, purple to pink.
	Malva alcea	Hollyhock Mallow	Malvaceae	July 2003, Amherst, MA	Malvaceae flowers have five petals often in pink and numerous fused stamens with abundant pollens. The leaves are palmately veined and round, pubescent as their sepals. The seeds are in capsules or schizocarps and also pubescent.
	Oxalis triangularis	Oxalis	Oxalidaceae	August 2003, Amherst, MA	Oxalis is a small plant. The leaves are trifoliate and have long petioles. They are folded at night and in rain. Its flowers consists of distinct five petals which are basally connate. The fruits of Oxalidaceae plants are loculicidal capsules and disperse the seeds when it is dry.
	Phaseolus coccineus	Scarlet Runner Bean	Fabaceae	July 2003, Amherst, MA	This runner bean is a member of Fabaceae and indeed is of the same genus as green pea. The bright orange papilionaceous flowers and trifoliate compound leaves give curious effects. The plant has no tendrils.
	Phytolacca americana	Pokeweed	Phytolaccaceae	July 2003, Amherst, MA	The photo shows the close-up view of a flower of pokeweed. The hypogenous flower has five white tepals. The number of pistils and stamens varies but mostly 8 to 10. Pale green pokeweed leaves are large and entire. Its juicy berries turn green to purple.
	Plantago lanceolata	English Plantain	Plantaginaceae	June 2003, Amherst, MA, Photographer: Akira Asai	Shown in the photo are the flowers of plantain with white stamens and anthers protruding from the axis. Plantain is a sturdy plant. It has leaves with strong fibers. Because of the support of the fibers, they can survive in harsh environment such as on a road where people would walk upon them.
	Platycodon grandiflorum	Balloon Flower	Campanulaceae	July 2003, Amherst, MA	Balloon flower is a tall perennial. The flowers have five petals, five sepals, five stamens, and a five carpellate pistil. The name came from the balloon-like shape of buds as shown in the image.
	Portulaca grandiflora	Sundial Red Purslane	Portulacaceae	July 2003, Amherst, MA	The plants of Portulacaceae family are succulent and have fleshy leaves and mucilagenous tissues. The flowers of this purslane have colorful petals, two bracts and numerous stamens. The seeds are small and numerous and are contained in a cone shaped cap on a branch terminal.
	Ranunculus repens	Creeping Buttercup	Ranunculaceae	June 2003, Amherst, MA	Creeping buttercup is a short plant with shiny yellow flowers of five petals and numerous stamens. It frequently thrives in wet or shady places. Creeping buttercup differs from other buttercups in the curved hook shape of its seeds.
	Rhus hirta	Sumac Flower	Anacardiaceae	July 2003, Amherst, MA	Shown in the photo is a close-up view of the flower of Staghorn Sumac. Sumac is a tree of low height which sometimes appear as a bush. It has pinnate leaves spreading sideways as of wings of a bird with the red cluster of Sumac flowers in the middle. The stems and the leaves are pubescent thus named as hirta.
	Rosa multiflora	Multiflora Rose	Rosaceae	June 2003, Amherst, MA	Multiflora rose is one of many species of wild roses which have numerous simple small white flowers as shown in the photo.
	Rosa multiflora	Multiflora Rose	Rosaceae	June 2003, Amherst, MA	One of the characteristics of Multiflora Rose is fimbriate-pectinate fibrous stipules at the stem side of the pinnate leave. Its thorns bend downward.
	Rudbeckia hirta	Black-eyed Susan	Asteraceae	July 2003, Amherst, MA	Shown is a cultivated species of black-eyed Susan. Striking bright orange-yellow ray flowers and black disk flowers are conspicuous. Wild species of black-eyed Susan are smaller in size and are found in sunny fields and roadsides.
	Salvia guaranitica	Salvia	Lamiaceae	August 2003, Amherst, MA	Among the many species of Salvia, this species has blue petals and dark purple sepals. Salvia is a member of Lamiaceae family and has square stems and cordate leaves are dentate and opposite.
	Sedum 'Purple Emperor'	Purple Emeperor Sedum	Crassulaceae	August 2003, Amherst, MA	Sedum is a succulent plant. The flowers of Sedum have five petals, five sepals, ten stamens, and five pistils. The fleshy leaves have a purple tinge to it and are alternate and dentate.
	Taxus baccata	English Yew	Taxaceae	August 2003, Amherst, MA	This evergreen conifer bears seeds surrounded by red flashy berry-like arils. The leaves are linear and appear to line up on both sides of the branch.
	Viola tricolor	Viola	Violaceae	July 2003, Amherst, MA	Viola is a small herb with flowers with five petals and five sepals. The seed are dispersed from three-valved loculicidal capusule where brown seeds line up in rows inside.