Challen Willemsen

Challen Willemsen

@challenguate.bsky.social

Nature tour guide, orchid speaker, and ecologist from Guatemala sharing botanical gems. Member, IUCN SSC: Orchid Specialist Group. Photos my own.

73 Followers 45 Following 24 Posts Joined Nov 2024
10 months ago
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The Unicolored Jay (Aphelocoma unicolor) is a quiet, deep blue jay of Central America’s mountain forests. Social and intelligent, it forages in family groups and helps disperse seeds. 🐦 #Aphelocoma #Corvidae #Guatemala #cloudforest #birdwatching #birds #jay #wildlife #fauna

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10 months ago
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Maianthemum paniculatum grows in montane forests from Mexico to Panama. It bears white or pinkish flowers in large panicles and bright red fruits. Though usually terrestrial, it can be epiphytic, and may reach up to 2 meters tall.

#Maianthemum #Asparagaceae #Guatemala #cloudforest #flowers #botany

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10 months ago
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Geonoma undata is a native palm of Central America’s cloud forests, with slender stems, wavy-margined leaves, and edible heart of palm. It grows quietly in the understory of montane forests, producing recurved spadices between two spathes. #Geonoma #Arecaceae #Guatemala #cloudforest #palms #botany

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10 months ago
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Trichosalpinx memor is a miniature epiphytic orchid found in Guatemala’s evergreen cloud forests. Native from Mexico to Bolivia and the Caribbean, it clings to mossy branches and blooms with tiny, delicate flowers. #Guatemala #orchids #Trichosalpinx #Orchidaceae

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10 months ago
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Melampodium divaricatum is the most common species of its genus in Mesoamerica. Native from Mexico to Brazil, it spreads easily, even rooting at the nodes. In Guatemala, it grows wild and is used traditionally to treat swollen eyelids. #Guatemala #plants #Melampodium #Asteraceae

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10 months ago
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In Guatemala City, an acorn woodpecker (Melanerpes formicivorus) was spotted storing an acorn in a Tillandsia! Known for stashing food in trees, this one got creative—using an epiphyte as a pantry. Urban wildlife at its smartest. 🌿🪶 #Guatemala #birds #Melanerpes #Picidae

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10 months ago
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#nowreading “Somewhere Beyond the Sea” by TJ Klune

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10 months ago
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Helichrysum petiolare, or licorice plant, is native to southern Africa but grown in Guatemalan gardens for its silvery, velvety leaves. Drought-tolerant and trailing, it’s perfect for sunny borders and baskets. #Guatemala #plants #Helichrysum #Asteraceae

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10 months ago
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Pilea cadierei, or aluminum plant, is native to Asia but often grown in Guatemalan gardens. Its metallic-silver leaf markings make it a standout. Fast-growing and sting-free, it thrives in humid shade. #Guatemala #plants #Pilea #Urticaceae

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10 months ago
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Scaphyglottis lindeniana is an epiphytic orchid whose distribution ranges from Mexico to Bolivia and northern South America. In Guatemala, it grows in warm, humid forests. It stands out with large pseudobulbs and thick leaves—unusual for its genus. #Guatemala #orchids #Scaphyglottis #Orchidaceae

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10 months ago
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Salvia officinalis—common sage—is a Mediterranean herb with silvery leaves and violet-blue flowers. Used in cooking and traditional medicine, it also attracts pollinators and grows well in sunny Guatemalan gardens. #Guatemala #plants #Salvia #Lamiaceae

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10 months ago
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Miconia xalapensis is Guatemala’s most common woody melastome, often dominating pastures and hillsides with pale leaves and pink blooms. Its blueberry-like fruits are eaten by birds, kids, and workers—and sometimes sold in markets. #Guatemala #plants #Miconia #Melastomataceae

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10 months ago
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The white-winged dove (Zenaida asiatica) is known for its striking wing stripe and mournful coo. Common in Guatemala’s dry forests and cities, it plays a key role in seed dispersal. The species is native from the southwestern United States to northern South America. #Guatemala #birds #Columbidae

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10 months ago
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Hello! I'm a Guatemalan ecologist passionate about botany. I lead nature tours, give presentations on Guatemalan orchids to international orchid societies, and put together lists of flora for reserves & parks. I also try to raise awareness of the importance of native species. 🌿

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10 months ago
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#ahoraleyendo “Yo que nunca supe de los hombres” de Jacqueline Harpman #nowreading

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10 months ago

😃

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10 months ago
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Dimorphotheca pluvialis, a daisy native to South Africa, has flowers that open in sunlight and close when cloudy or at night, protecting its reproductive parts. After rains, it blooms in vast swaths, creating stunning landscapes. 🌼

#Dimorphotheca #Asteraceae #wildflowers #SouthAfrica #flowers

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10 months ago
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Tillandsia seleriana is a striking air plant native from Mexico to Nicaragua. Its bulbous base stores water, while its silvery leaves absorb water. When it blooms, it reveals violet flowers on a vivid spike—a brief burst of color in the canopy. 🌿

#Tillandsia #Bromeliaceae #epiphyte #flora

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10 months ago
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Phoenix roebelenii, the pygmy date palm, is native to the forests of Laos and Vietnam. It grows along rivers and in seasonally flooded areas, with fine, arching fronds and small fruits eaten by birds. It's a slow-growing species commonly planted in the tropics.

#Phoenix #Arecaceae #flora #palms

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11 months ago
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Lycaste cruenta, a Central American orchid, is pollinated by euglossine bees that visit its fragrant yellow-green flowers to collect aromatic compounds—not nectar. In the process, they carry pollen from flower to flower in a delicate dance of coevolution.

#Lycaste #Orchidaceae #pollinators #flora

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11 months ago
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Monstera siltepecana is a vining aroid native to the humid forests of Mexico and Central America. It climbs trees using aerial roots, developing larger, fenestrated leaves as it matures. It is a striking presence in the tropical rainforest understory.

#Monstera #Araceae #tropicalplants #flora

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11 months ago
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Crassocephalum crepidioides is a fast-growing herb with orange flowers and edible leaves, used in traditional medicine and cuisine. Native to Africa, it now grows across the tropics, including Central America—but it can become invasive in disturbed areas.

#Crassocephalum #Asteraceae #plants #flora

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11 months ago
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Nerium oleander is a beautiful but potentially deadly shrub with flowers in a range of colors. Native to the Mediterranean, it’s now common in warm regions worldwide. All parts are highly toxic—avoid planting it near pets or children!

#Nerium #Apocynaceae #plants #toxicplants #nature #flowers

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11 months ago
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Notylia barkeri is a tiny orchid with a drooping inflorescence of green-and-white flowers marked with orange. It grows as an epiphyte in dry to humid forests, swamps, and plantations in Mexico, Central America, and Brazil. #orchids #flora #Guatemala #Notylia #nature #orchidaceae #epiphytes #flowers

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