Common Names: Wild Bush Bean. Family: Fabaceae. Habit: Macroptilium lathyroides is an annual that grows prostrate or climbing over other vegetation, is up to. Scientific Name. Macroptilium lathyroides (L.) Urb. Synonyms. Macroptilium lathyroides (L.) Urb. var. semierectum (L.) Urb. Phaseolus lathyroides L. Family. Species: Macroptilium lathyroides (L.)Urb. Common Name: WILD BUSHBEAN. Status: Not Native, EPPC(II), FACU (NWPL). Specimen: View details of USF.

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Click on images to enlarge. Pudoc Scientific Publishers, Wageningen, the Netherlands. Herbaceous annual or short-lived perennial, erectly branching, 0. Stems sparsely to densely appressed pubescent. Inflorescence a semi-erect, spicate raceme, macropitlium 15 cm long borne on axillary peduncles to about 30 cm long. Pods linear, sub-cylindrical, 5.

Scientific name

Kitts and Nevis – St. Found often in wet places along roadsides, on waste land, in open fields, pastures, in open situations along streams and rivers.

Mainly used as a pioneer forage, but can also be conserved as hay or as silage when mixed with a grass. Care must be lathyrpides to minimise leaf drop during hay making and handling.

It fixes nitrogen very effectively, and can be used as a green manure or cover crop in rotations. Adapted to a wide range of well to lathygoides drained soils, from deep sands to heavy clays, and with pH from 5.

lathyroires It can tolerate moderate salinity, but is susceptible to higher levels of available soil manganese and aluminium, responding to lime to reduce available levels. Found in areas with rainfall from-3, mm, usually in drainage lines and other wet places in lower rainfall environments.

Although moderately drought tolerant, it avoids the effects of severe drought through its free-seeding annual habit. It grows on seasonally flooded soils, but not in permanent water. It is susceptible to frost, but has usually seeded well ahead of them. It can survive light frost, and although killed by macroptillium frost, has usually set seed before they occur.


Tolerant of light to moderate shade, although seedlings may suffer from shading.

Riceweeds en – Fabaceae – Macroptilium lathyroides (L.) Urb.

Its twining ability, once mature, enables it to compete for light with tall grasses. It is day-neutral, flowering through most of the growing season. However, undefoliated plants generally do not flower until they reach about 30 cm tall. A light cultivation helps annual regeneration. Percentage of hard seed is generally fairly low, but to latjyroides dormancy in small samples, seed can be manually scarified or treated with concentrated sulphuric acid sg.

Acid-treated seed should be washed and dried thoroughly after treatment. It is fairly promiscuousmostly nodulating freely with rhizobia already in the soil. For best establishment, seed should drilled It has a lathyrooides seedling, emerging and developing more quickly than Desmodium heterocarpon cv. Florida or Aeschynomene americanaand can be co-planted with these legumes to provide early summer grazing.

Lime is sometimes necessary to reduce levels of available Al and Mn in more acid soils. Once established, it combines well with more open grasses, particularly under fertile, moist conditions.

Although free-seeding, seedling regeneration in pastures only occurs under favourable conditions, and is usually poor after the second year. Petrie, Paspalum atratumP. Aeschynomene americanaDesmodium heterocarpon cv.

Late-sown seedlings in particular are severely attacked by bean fly Ophiomyia Melanagromyza phaseoliDiptera: Coating seed with carbofuran or carbosulfan before sowing protects plants against attack for two to three weeks, as can banding latyyroides insecticides, such as phorate and carbofuran along the seeds at sowing.

Weekly spraying of monocrotophos, dimethoate or omethoate during the first four weeks gives effective control.

Adults of rough brown weevil Baryopadus corrugatusColeoptera: Curculionidae feed on the foliage, while larvae can severely damage roots. Aleyrodidaea serious pest of a number of crop plants.

Nematodes attack the roots in lighter textured soils, the main species being Meloidogyne incognita and M. It shows field resistance to little-leaf phytoplasma lathyroidew, but is infected by a multitude of viruses, few of which are of any consequence in the field.


It spreads readily from seed under moist conditions, providing competition is not too severe. Seed can be ejected several metres by virtue of the violent shattering mechanism on ripening. No record of problems with ruminants, and although suspected of causing poisoning with horses, other evidence suggests to the contrary.

Macroptilium lathyroides – UF/IFAS Center for Aquatic and Invasive Plants

It does not produce milk taint. As with some other Macroptilium spp. Pods mature throughout the growing season, with high lathyroives of seed being produced. The absence of a synchronous crop and the shattering habit of the pods make machine harvest difficult and only a proportion of the crop produced is harvested. It can be direct-headed when a fair percentage of the pods are ripe to ripening and the material subsequently dried where seed from dehiscing pods will not be lost.

Seed can then be threshed in a follow-up operation. Susceptible to pre-emergence application of azafenidin. Moderate tolerance of 2,4-D amine. Controlled by mixture of glyphosate and 2,4-D. Phasey bean Macroptilium lathyroides.

Macroptilium lathyroides

The predecessor of Siratro. Queensland Agricultural Journal, Australian Journal of Agricultural Research35 Jr and Chambliss, C. University of Florida, Gainesville. Tropical Agriculture64 Othman and Asher, C. Malaysian Journal of Macroptilkum Biology20 Some questions and answers. Commercial seed rarely available. A tall-growing, vigorous, productive genotype with slightly lobed terminal and lateral leaflets and densely pubescent lathyrides.

Well adapted on acid and alkaline soils in the humid and subhumid subtropics. Click on images to enlarge Foliage, flowers and immature pods. Foliage variation – also, flowers, pods and seeds. A short-lived, free-seeding, erectly branching perennial. Three ecotypes with differing leaf shapes see insets High-yielding seedcrop.

Selected from naturalised ecotypes in coastal Queensland, and possibly CPI from the botanical gardens in Bogor, Indonesia.