Hiroshige Koyama

Japanese botanist (1937-2016).

Hiroshige Koyama (1937–2016) was a Japanese botanist and specialist of Asteraceae. Koyamacalia, a genus of East Asian plants in the groundsel tribe Senecioneae, was named for Koyama. It is listed as a synonym of Parasenecio.

Abbreviations: H.Koyama
Occupations: botanist, botanical collector
Citizenships: Japan, Empire of Japan
Languages: Japanese
Dates: 1937-01-01T00:00:00Z – 2016-01-01T00:00:00Z
Direct attributions: 66 plants, 0 fungi
Authorship mentions: 79 plants, 0 fungi

66 plants attributed, 13 plants contributed to79 plants:

Parasenecio hastatus (Halberd Cacalia) (L.) H.Koyama 1995
perennial plant species in the asteraceae family
Parasenecio hastatus (Chinese: 山尖子, shānjiānzi) is a flowering plant species in the genus Parasenecio found in China and East Asia. It contains toxic pyrrolizidine alkaloids.
Parasenecio maximowiczianus (Parasenecio Maximowicziana) (Nakai & F.Maek. ex H.Hara) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio adenostyloides (Maxim.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Polygala kradungensis H.Koyama 2008
plant species in the polygalaceae family
Visit the page for more details.
Parasenecio tebakoensis (Makino) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio farfarifolius (Siebold & Zucc.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio delphiniifolius (Siebold & Zucc.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio amagiensis (Kitam.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Sinacalia davidii (Franch.) H.Koyama 1979
medicinal plant species in the asteraceae family
Visit the page for more details.
Salomonia thailandica H.Koyama 1995
annual plant species in the polygalaceae family
Visit the page for more details.
Salomonia kradungensis H.Koyama 1995
annual plant species in the polygalaceae family
Visit the page for more details.
Parasenecio yatabei (Matsum. & Koidz.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio peltifolius (Makino) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio farfarifolius var. bulbiferus (Maxim.) H.Koyama 1995
plant variety in the asteraceae family
Visit the page for more details.
Eupatorium doichangense H.Koyama 2002
perennial plant species in the asteraceae family
Visit the page for more details.
Emilia khaopawtaensis H.Koyama 1986
annual plant species in the asteraceae family
Visit the page for more details.
Vernonia kradungensis H.Koyama 2005
plant species in the asteraceae family
Visit the page for more details.
Pertya yakushimensis H.Koyama & Nagam. 1988
plant species in the asteraceae family
Visit the page for more details.
Parasenecio yakusimensis (Masam.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio shiroumensis (Shiz.Ito & H.Koyama) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio shikokianus (Makino) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio nipponicus (Miq.) H.Koyama 1995
plant species in the asteraceae family
Visit the page for more details.
Parasenecio × koidzumianus (Kitam.) H.Koyama 1995
plant hybrid species in the asteraceae family
Visit the page for more details.
Gynura hmopaengensis H.Koyama 1988
perennial plant species in the asteraceae family
Visit the page for more details.
Eclipta angustata Umemoto & H.Koyama 2007
plant species in the asteraceae family
Eclipta angustata is an Asian species of plants in the family Asteraceae. It is widespread across the Indian subcontinent, Southeast Asia, southern China, Taiwan, and the Ryukyu Islands in Japan. It is regarded as a weed in some places, in others used as an herb, hair dye, or edible vegetable. Eclipta angustata was for years regarded as part of the species E. prostrata before being recognized as a distinct species in 2007. It differs in having sessile leaves, subovate achenes, and conspicuous tubercules.
Cicerbita putii (Kerr) H.Koyama 2001
annual plant species in the asteraceae family
Visit the page for more details.
Cicerbita garrettii (Kerr) H.Koyama 2001
perennial plant species in the asteraceae family
Visit the page for more details.
Cicerbita chiangdaoensis H.Koyama 2001
plant species in the asteraceae family
Visit the page for more details.
Camchaya spinulifera H.Koyama 1984
annual plant species in the asteraceae family
Visit the page for more details.
Camchaya pentagona H.Koyama 1984
annual plant species in the asteraceae family
Visit the page for more details.
0
Your shopping cart:
Nothing in your cart yet!Add a device?
ItemCountTotal
$
Log in to load your saved addresses.
< Back to Overview
Loading shipping options...
< Back to Address
Log in to load your saved payment methods.
Pay by Credit Card
or direct bank debit
Purchase Order
Pay by wire or bank transfer
After you confirm your order, we'll email you an invoice and all bank details to complete your purchase.
< Back to Shipping
Processing... Creating order Confirming inventory Processing payment Acquiring shipping Final confirmation (Cleaning up)
Order confirmed!
Summary
Devices$ 0
Plants$ 0
ShippingNot yet calculated
TaxesNot yet calculated
Total$ 0
Address
Shipping
Payment
Start Checkout