Hello, I'm a botanist specializing in the taxonomy and morphology of fruit-bearing plants. It's a common misconception that black raspberries and blackberries are the same thing, but they are actually distinct fruits with different characteristics and origins.

Let's break down the differences:

1. Botanical Classification:

* Black raspberries (Rubus occidentalis) belong to the Rubus genus, which also includes raspberries, blackberries, and dewberries. They are classified as aggregate fruits, meaning they are formed from the aggregation of many small drupelets, each containing a single seed.
* Blackberries (Rubus fruticosus) also belong to the Rubus genus, but they are a separate species. Like black raspberries, they are aggregate fruits composed of many drupelets.

2. Morphology and Appearance:

* Black raspberries have a distinctive "crumbling" texture when ripe. Their drupelets detach easily from the core, leaving a hollow center. They are typically round or slightly elongated and have a deep purple to almost black color when ripe. Their canes (stems) are typically covered in a whitish bloom.
* Blackberries have a more firm texture, and their drupelets remain attached to the core when ripe. The blackberry fruit is often elongated or cone-shaped, with a dark purple to black color when mature. Their canes are typically thorned.

3. Flavor and Aroma:

* Black raspberries have a tart, slightly acidic flavor with a distinct, sweet aroma.
* Blackberries are known for their sweet and slightly tart flavor with a more complex aroma than black raspberries.

4. Growing Habits:

* Black raspberries are biennial plants, meaning they produce fruit in their second year and then die back. Their canes produce new canes that will bear fruit in the following year. They typically grow in temperate climates and prefer well-drained soil.
* Blackberries can be perennial or biennial, depending on the variety. They are more adaptable to different climates than black raspberries and can grow in a wider range of soil types. They are known for their vigorous growth habits and can spread rapidly.

5. Uses:

* Both black raspberries and blackberries are popular fruits enjoyed fresh, frozen, or processed into jams, jellies, pies, and other culinary creations. They are also rich sources of vitamins, antioxidants, and fiber.

In conclusion:

While black raspberries and blackberries share some similarities, they are distinct fruits with their unique characteristics. Understanding their differences allows for better appreciation of their individual qualities and enables you to choose the appropriate variety for your culinary needs or gardening preferences.
read more >>

Black Raspberries are NOT the same as Blackberries! ... Both are members of the Rubus genus, which also includes raspberries and wineberries (and dewberries and boysenberries and cloudberries, among others). All bramble berries (Rubus species) are aggregate fruits.read more >>