**Species Name:** Purple Pineapple
**Scientific Name:** *Tillandsia cyanea*
**Common Names:** Tielan, Purple Bromelia
**Family:** Bromeliaceae
**Native Origin:** Ecuador, Guatemala
**Morphological Characteristics:**
*Tillandsia cyanea* is a perennial epiphytic herb that typically grows to about 30 cm in height. It features a rosette-shaped cluster of leaves, with the center being slightly concave. The leaves are light green to dark green, with a brownish base and a green-brown underside. The plant has a fan-like appearance, and its flowers are pink at first, gradually opening into striking purple blooms. Each flower has a diameter of approximately 3 cm. The sepals remain attractive for up to four months, making this plant a long-lasting ornamental choice.
**Growth Habits:**
This species thrives in bright, warm, and humid environments. It naturally grows on trees in tropical forests and is relatively tolerant of dry and cold conditions compared to other bromeliads. However, it prefers consistent moisture and high humidity levels for optimal growth.
**Garden Use:**
Ideal for indoor potted decoration, *Tillandsia cyanea* adds a vibrant touch to any space. Its unique color and long-lasting blooms make it a popular choice for both homes and offices.
**Propagation Methods:**
The plant can be propagated through basal offsets, which are small shoots that grow at the base of the main plant. These can be carefully separated and replanted. Alternatively, seeds can also be used for propagation, though this method may take longer. During the hot season, it's important to provide shade and ensure regular watering. In winter, it should be placed in a sunny indoor location, and watering should be reduced to prevent root rot. The minimum temperature should not drop below 10°C (50°F) to avoid damage.
With proper care, *Tillandsia cyanea* can thrive and bring beauty to your indoor garden for many months.
Polyhydroxybutyrate PHB
PHB is a truly biodegradable and biocompatible plastic and an attractive environmental-friendly alternative to fossil-based thermoplastics such as PE and PP. However, unmodified PHB resin has a relatively high melting point of about 160 to 180 °C and is difficult to process due to its narrow processing window. To improve its processability and mechanical properties, PHB is often blended with plasticizers and other polymers such as polyvinyl acetate (binders), polyvinyl alcohol and polylactic acid (PLA).
Commercial grades of PHB have properties that are very similar to those of polypropylene (PP). Typical applications of PHB are disposable tableware articles like drinking cups, cutlery, trays, food plates and food containers. Some other (potential) applications include soil retention sheething and other agriculture films, waste and shopping bags, and the use as a packaging material in general. PHB can also be spun into fibers which could be used for the manufacture of woven and non-woven biodegradable one-use fabric articles such as surgical sutures (Tepha). Other (potential) biomedical applications include drug delivery systems (microcapsules or microspheres) and biodegradable implanted medical devices.
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