The nine or ten genera in the family have a total of around 50 species, and include the commercially important nut-producing trees walnut (Juglans), pecan (Carya illinoinensis), and hickory (Carya).
| Juglandaceae | |
|---|---|
| Family: | Juglandaceae DC. ex Perleb |
| Type genus | |
| Juglans L. | |
| Subfamilies |
Is the pecan related to the walnut?
Walnuts and pecans are certainly related, both belong to the botanical family, Juglandaceae; and to the sub-family, Juglandoideae; and even to the ‘tribe’ Juglandeae. But beyond that they are categorised into different sub-tribes, pecans being Caryinae; and walnuts being Juglandinae.
Which nuts are in the walnut family?
Family Juglandaceae – Nut Trees; Walnut, Hickory, Butternut, Pecan.
What plant family are pecans?
Botanically pecan is classified as a hickery (carya) and is a member of the walnut family (Juglandaceae). Native to North America, the pecan is grown mainly in southern and central USA and northern Mexico, with limited cultivation in Australia, South Africa, Brazil, and Israel.
Which is healthier pecan or walnuts?
Walnuts are a better source of Omega-3 fatty acids, B vitamins, and iron; they also have 1 gram more of protein and polyunsaturated fats. Pecans are a better source of potent antioxidants, and they have 1 gram more of fiber and contain more monounsaturated than polyunsaturated fats.
Can you be allergic to walnuts but not pecans?
Allergy sufferers could be allergic to a single type of tree nut, a small number of nuts that share similar proteins or a wide range of nuts. Unfortunately, many people assume that an allergic reaction to one type of tree nut means all nuts are off-limits, but this is often far from the case.
Are pecan trees related to walnut trees?
Walnuts and pecans both belong to the same family, Juglandaceae or the Walnut Family.
What is the difference between walnut and pecan?
Pecans are smaller, sweeter, and cheaper than walnuts, with a higher degree of fiber, monounsaturated fat, and vitamin E. Walnuts are larger, more textured, and more expensive than pecans.
Can you outgrow walnut allergy?
A systematic review of all the published studies from 2020 found that between 9-14% of children with tree nut allergy outgrew this allergy. This included some children who had had severe reactions.
Is walnut allergy common?
Allergies to tree nuts such as walnuts are common and often severe. These types of allergies typically develop by the age of 2, and the number of tree nuts to which a person is allergic may increase with age. Roughly 30 percent of people with a tree nut allergy are allergic to more than one nut.
What is a pecan classified as?
They are usually enclosed in a leathery or solid outer layer. In botany terms, nuts are strictly a particular kind of dry fruit that has a single seed, a hard shell, and a protective husk. Chestnuts, hazelnuts, pecans and walnuts fit the true definition of a nut.
What is related to the walnut?
English walnut (Juglans regia) is a tree nut of the family Juglandaceae. To this family belong also other tree nuts that are not present in Europe including Pecan (Carya illinoiensis), black walnut (Juglans nigra and Juglans californica) and butternuts (Juglans cinerea).
How do you know if you’re allergic to pecans?
Symptoms of nut allergies
- raised red bumps on the skin – hives (urticaria)
- swelling of the lips.
- tingling of the throat and mouth.
- itchy skin and rash.
- runny nose.
- tightening of the throat.
- digestive symptoms – cramps, stomach pain, nausea or vomiting.
Are pecans anti-inflammatory?
Nuts. Almonds, hazelnuts, peanuts, pecans, pistachios and walnuts contain high amounts of fiber, calcium, magnesium, zinc, Vitamin E and Omega-3 fats which all have anti-inflammatory effects.
Do pecans increase cholesterol?
Pecans are high in healthy fatty acids and fiber, both of which have been linked to lower cholesterol.
How many pecans should I eat per day?
15 pecan halves
Pecans. Pecans help fight heart disease and cancer as well as boost your immune system. Following the one ounce of nuts per day rule, you should be eating about 15 pecan halves. Pecans are great for vegetarians because they make an excellent substitute for meat.
What is the most allergenic nut?
Peanuts are the most common food allergens associated with a life-threatening reaction, known as anaphylaxis.
What is the most common nut allergy?
Tree nut allergies are among the most common food allergies in both children and adults. The six tree nut allergies most commonly reported by children and adults are allergies to walnut, almond, hazelnut, pecan, cashew and pistachio.
Can you be allergic to one type of nut and not others?
Tree nuts include almonds, Brazil nuts, cashews, hazelnuts, pecans, pistachios and walnuts. An allergy to one tree nut does not necessarily mean an individual is allergic to other tree nuts, but certain tree nuts are closely related, including cashew with pistachio and pecan with walnut.
Do pecans have juglone?
Both pecans and walnuts produce a family of closely related toxic chemicals. The parent compound is called juglone – or 5-hydroxy-1,4-napthoquinone to be precise.
Can you grow a pecan tree from a nut?
It is entirely possible to plant a pecan seed. However, it is important to realize that growing pecans from seed will not produce a tree identical to the parent tree. If you want a particular type of pecan nut, or a tree that produces excellent pecans, you will need to graft.