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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 12.954. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Summary[
edit] Description: Leaves have 3 leaflets, each hairy, heart-shaped and on stalks of equal length. Leaflets have variable white and brown markings that vary depending on variety and time of year. Date: 27 June 2009, 11:40. Source:
Trifolium subterraneum leaf2. Author:
Harry Rose from South West Rocks, Australia.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 22.57777777778. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 26.289. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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The plant's name comes from its underground seed development (geocarpy), a characteristic not possessed by other clovers. This species is self-fertilizing, unlike most legume forage crops such as alfalfa and other clovers, which are pollinated by insects, especially honeybees. The flowers of subclover are often located beneath its leaves and are low in nectar, making access both difficult and unappealing for bees. It can thrive in poor-quality soil where other clovers cannot survive, and is grown commercially for animal fodder. While subterranean clover had been known for a very long time in Central and Southern Europe, it was looked upon as a roadside weed. Its value as a fodder crop was discovered, proved and first promoted by Amos William Howard of South Australia. He found subterranean clover at the Mount Barker Springs at 40 km from Adelaide and proved it to be a valuable fodder plant in some soil types in temperate climates. Subterranean clover revolutionised farming practice, converting many struggling farms into successful livestock holdings. The discovery spread across Australia and to many other countries, due largely to Howard's generosity in publishing articles about the clover, supplying seed free of charge around the world, and advising on handling. By the time of his death on 2 March 1930, thousands of hectares in South Australia were carrying subterranean clover. It was also growing in all Australian States, and requests for seed and information were being received in great numbers from almost all countries in the world which had a temperate climate. By 1961 some 8.1 million hectares of Southern Australia had been sown with subterranean clover. Two of the several cultivars of subterranean clover are named "Howard" and "Mt Barker". Название растения происходит от его свойства вырабатывать семена под землей, свойства, которым не обладают другие виды клевера - геокарпия (geocarpy, от греч. geo Земля и karpos плод) - развитие и созревание плодов в земле в результате зарывания завязей в почву. Подземный клевер - самооплодотворяющийся, в отличие от большинства бобовых кормовых культур, таких как люцерна и другие виды клевера, опыляющихся насекомыми, особенно пчелами. Цветы его часто находятся под его листьями и содержат мало нектара, что делает доступ трудным и непривлекательным для пчел. Он может успешно разрастаться в некачественной почве, где другие клеверы не могут выжить, и его выращивают на коммерческой основе как корм для животных. В Центральной и Южной Европе подземный клевер был известен в течение очень долгого времени и считался придорожным сорняком. Его ценность в качестве кормовой культуры обнаружил и впервые внедрил Амос Уильям Говард из Южной Австралии. Говард обнаружил его в районе Маунт Баркер в 40 км от Аделаиды и доказал, что подземный клевер является ценным кормовым растением в некоторых типах почв в условиях умеренного климата. Подземный клевер совершил революцию в фермерской практике, превращая многие борющиеся фермы в успешные животноводческие хозяйства. Открытие распространилось по всей Австралии и во многих других странах в значительной степени благодаря щедрости Говарда, который публиковал статьи о клевере и поставлял семена бесплатно по всему миру, а также консультировал по вопросам обращения с ним. К моменту его смерти 2 марта 1930 года, тысячи гектаров в Южной Австралии были засажены подземным клевером. Он распространился во всех австралийских штатах, запросы семян и информации были получены в большом количестве из почти всех стран мира, которые имели умеренный климат. К 1961 году около 8,1 млн га Южной Австралии были засеяны подземным клевером. Двум из нескольких сортов подземного клевера даны названия "Говард" и "Маунт Баркер".
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 26.07733333333. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 14.30866666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Summary[
edit] Description: English: Trifolium subterraneum in Los Pechos (near Pico de Nives), Gran Canaria. Date: 1 April 2014. Source: Own work. Author:
Krzysztof Ziarnek, Kenraiz.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 9.144. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 27.051. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 26.37366666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 14.39333333333. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 13.29266666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Summary[
edit] Description: Introduced, cool-season, annual legume with a short taproot. Leaves have 3 leaflets, each hairy, heart-shaped and on stalks of equal length. Leaflets have variable white and brown markings that vary depending on variety and time of year. Flowerheads consist of clusters of 3-6 white (rarely pinkish), pea-like flowers. Depending on variety seedheads are either pushed into cracks or buried in the ground. Flowering is from spring to early summer. A native of Europe and the Mediterranean region, it is occasionally sown in drier, cooler areas on the coast and mostly naturalized on the central coast. Grows on moderately acid to neutral soils. There are 3 distinct subspecies: 1) subterranean – suited to well-drained, slightly acid soils, 2) yanninicum - tolerates intermittent waterlogging and poorly drained conditions and 3) brachycalycinum - suited to neutral to alkaline soils. Fixes nitrogen and produces high quality feed from autumn to spring but can cause bloat. In the Hunter-Manning and Metropolitan areas it is used as both an annual forage crop and a pasture species. Often planted in a mix with white clover (in drier areas) but does not persist in many coastal areas. Requires medium to high soil fertility, particularly phosphorus, sulfur and molybdenum. Withstands close grazing. Grass needs to be well grazed in late summer to remove residues and aid the germination and growth of clover seedlings. Date: 27 June 2009, 11:40. Source:
Trifolium subterraneum habit3. Author:
Harry Rose from South West Rocks, Australia.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Category: macro-photograph. Real world width(mm): 11.51466666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1ð 10' W. Latitude (deg/min): 51ð 20' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: 3 plants growing in suburban road verge. Description: After flowering the peduncles curve downwards and force the developing fruits into the soil. . Detail to note: the enlarged sterile florets forcing the fruits back against the peduncle. Category: macro-photograph. Real world width(mm): 15.83266666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.
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