Mula

  • Star Name : Punartham
  • Plant Name : Mula
  • Botanical Name : Bambusa vulgaris
  • Family Name : Bamboo/ Vanshah
  • Malayalam Name : Mula (മുള)
  • Planted on : 15/08/2022
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Planted in the memory of Lal Bahadur Shastri on the occasion of Azadi ka Amrit Mahotsav
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Overview & Habitat

  • Bambusa vulgaris, or Common Bamboo, is a ubiquitous species with a story spanning continents, from its native regions in Southeast Asia to its naturalization worldwide.
  • Initially cultivated in regions like Bangladesh, India, and China’s Yunnan province, B. vulgaris quickly became an international fixture.
  • It is recognizable for its towering height and distinctive yellow culms marked by green stripes.
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Description

  • Bambusa vulgaris forms clumps, though notably looser than other species, and has no thorns, making it an ideal candidate for ornamental planting.
  • The stems, while visually striking, are neither straight nor easy to split.
  • Their thick walls and tough exteriors suggest strength, but closer examination reveals a rigidity that limits their adaptability.
  • Culms grow to an imposing height, often reaching between 30 and 70 feet.
  • Despite their height, the bases tend to flex and bend, with drooping tips, complicating their utility.

Flowers

  • Flowering in Bambusa vulgaris is rare, almost as rare as the viable seeds it produces.
  • The species undergoes a form of mass flowering once every several decades, a phenomenon that affects entire populations.
  • Despite this periodic bloom, the species struggles with low pollen viability, a result of irregular meiosis. This issue effectively halts any widespread reproductive success.

Fruits

Leaves

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Propagation

  • B. vulgaris is easily propagated through vegetative methods like rhizomes, stem cuttings, and clump divisions.
  • Culm or branch cutting is especially effective, leading to rapid spread outside its native range.
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Taxonomy

  • B. vulgaris is considered one of the more ‘primitive’ members of the grass family due to features like bracts and pseudospikelets.
  • Despite its global presence, its evolutionary timeline predates many related grass species.
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Historical and Global Reach

  • By the 18th century, B. vulgaris was cultivated in European hothouses as one of the earliest bamboo species.
  • It was introduced to Hawaii during Captain James Cook’s voyages and to the U.S. in 1840 by Spanish settlers.
  • Today, it is popular as an ornamental plant in Puerto Rico and Hawaii.
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Pests

  • Small bamboo borers are a major threat, affecting regions like India, China, the Philippines, Australia, and Japan.
  • Bamboo weevil larvae devastate shoots, particularly in South China.
  • Other threats include leaf blight, basal culm rot, culm sheath rot, leaf rust, and leaf spots.
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Uses

  • Beyond its environmental utility, Bambusa vulgaris is integral to local economies, especially in regions where it is harvested for its stems.
  • The plant’s culms are used in various ways, from construction materials to household items like baskets and furniture.
  • In India, its fibers are a critical component in the paper industry, with bamboo pulp boasting exceptional tear strength, rivaling even that of softwood paper.
  • Its edible shoots have also found their way into diets across Asia, where they are consumed both cooked and pickled.
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Threats

  • Pests are a constant threat to Bambusa vulgaris.
  • Chief among them are the small bamboo borers, which bore into the stems in regions like India, China, the Philippines, Australia, and Japan.
  • Equally destructive are bamboo weevils, whose larvae devastate shoots, particularly in South China.
  • Other notable threats include leaf blight, basal culm rot, culm sheath rot, leaf rust, and leaf spots.
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Toxicity

  • The plant contains taxiphyllin, a cyanogenic compound that can be highly toxic to humans and animals when released.
  • The lethal dose for humans is a mere 50-60 mg.
  • Reports from Brazil have documented instances of horses exhibiting severe neurological symptoms after ingesting the plant.
  • In parts of Africa, farmers prefer purchasing the bamboo rather than planting it, fearing it depletes the soil’s fertility — a belief steeped in both tradition and anecdotal evidence.
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